Quarterly report pursuant to Section 13 or 15(d)

Related Parties (Details Textual)

v3.19.1
Related Parties (Details Textual) - USD ($)
1 Months Ended 3 Months Ended 12 Months Ended
Jan. 04, 2019
Jul. 25, 2018
Jun. 30, 2018
Apr. 30, 2018
Feb. 28, 2018
Mar. 31, 2019
Mar. 31, 2018
Dec. 31, 2018
May 31, 2019
Jul. 31, 2018
Jul. 15, 2018
Jun. 29, 2018
Jun. 15, 2018
Apr. 06, 2018
Nov. 30, 2017
May 17, 2017
Jan. 31, 2017
Class of Warrant or Right, Number of Securities Called by Warrants or Rights                         208,350        
Class of Warrant or Right, Exercise Price of Warrants or Rights                                 $ 5.40
Debt Instrument, Face Amount                             $ 6,500,000   $ 300,000
Class of Warrant or Right, Number of Securities Called by Each Warrant or Right   13,889                         722,222   39,216
Debt Conversion, Converted Instrument, Shares Issued   99,594                              
Payments of Stock Issuance Costs           $ 900,000                      
Deferred Compensation Arrangement with Individual, Shares Issued 400,000                                
Share-based Compensation Award, Tranche One [Member]                                  
Class of Warrant or Right, Exercise Price of Warrants or Rights                           $ 5.40      
Alexander Capital [Member]                                  
Number of Warrants Issued           588,391                      
Financial Service [Member] | Alexander Capital [Member]                                  
Investment Income, Net           $ 0 $ 121,000                    
Series G Notes [Member] | Medalist Funds [Member]                                  
Convertible Notes Payable, Current                       $ 2,438,000          
Series F Convertible Notes [Member]                                  
Debt Conversion, Converted Instrument, Shares Issued   3,849,210                              
Series F Convertible Notes [Member] | Medalist Funds [Member]                                  
Convertible Notes Payable, Current                             $ 2,000,000    
Series E Convertible Notes [Member]                                  
Class of Warrant or Right, Number of Securities Called by Warrants or Rights   487,864                              
Warrant [Member]                                  
Class of Warrant or Right, Exercise Price of Warrants or Rights               $ 5.40                  
Warrant [Member] | Medalist Funds [Member]                                  
Class of Warrant or Right, Number of Securities Called by Warrants or Rights                       180,570     222,222    
Warrant [Member] | Series D Convertible Note [Member]                                  
Class of Warrant or Right, Number of Securities Called by Warrants or Rights     1,017,717                            
Class of Warrant or Right, Exercise Price of Warrants or Rights     $ 5.40                            
Brett Moyer [Member]                                  
Class of Warrant or Right, Exercise Price of Warrants or Rights                     $ 4.50            
Other Expenses       $ 50,000                          
Convertible Notes Payable, Current           $ 0   $ 0                  
Debt Conversion Converted Instrument Percentage of Shares Held           1.50%   1.50%                  
Brett Moyer [Member] | Series G Notes [Member]                                  
Class of Warrant or Right, Exercise Price of Warrants or Rights   $ 3.60                              
Debt Instrument, Face Amount       $ 63,000                          
Debt Conversion, Converted Instrument, Shares Issued   157,881                              
Debt Conversion, Converted Instrument, Amount   $ 537,000                              
Brett Moyer [Member] | Series D Convertible Note [Member]                                  
Debt Instrument, Interest Rate, Increase (Decrease)         10.00%                        
Debt Instrument, Maturity Date         Jun. 30, 2018                        
Brett Moyer [Member] | Warrant [Member]                                  
Class of Warrant or Right, Number of Securities Called by Warrants or Rights         9,058                        
Class of Warrant or Right, Number of Securities Called by Each Warrant or Right     4,630                            
Jonathan Gazdak [Member]                                  
Class of Warrant or Right, Number of Securities Called by Warrants or Rights           72,000                      
Class of Warrant or Right, Exercise Price of Warrants or Rights   $ 5.40       $ 6.25                      
Warrants and Rights Outstanding, Term                 180 days                
Convertible Notes Payable, Current           $ 0   $ 0                  
Debt Conversion Converted Instrument Percentage of Shares Held           0.30%   0.30%                  
Debt Conversion, Converted Instrument, Shares Issued   5,647                              
Debt Conversion, Converted Instrument, Amount   $ 21,000                              
Jonathan Gazdak [Member] | NonAccountable Expense Allowance [Member]                                  
Payments of Stock Issuance Costs           $ 120,000                      
Jonathan Gazdak [Member] | Reimbursements [Member]                                  
Payments of Stock Issuance Costs           $ 100,000                      
Jonathan Gazdak [Member] | Series D Convertible Note [Member]                                  
Debt Instrument, Interest Rate, Increase (Decrease)         10.00%                        
Debt Instrument, Maturity Date         Jun. 30, 2018                        
Jonathan Gazdak [Member] | Warrant [Member]                                  
Class of Warrant or Right, Number of Securities Called by Warrants or Rights         1,569                        
Class of Warrant or Right, Exercise Price of Warrants or Rights         $ 5.40 $ 3.30                      
Brian Herr [Member]                                  
Convertible Notes Payable, Current           $ 0   $ 0                  
Debt Conversion Converted Instrument Percentage of Shares Held           12.70%   12.70%                  
Brian Herr [Member] | Series G Notes [Member]                                  
Class of Warrant or Right, Number of Securities Called by Warrants or Rights                   541,666              
Class of Warrant or Right, Exercise Price of Warrants or Rights   $ 3.00               $ 4.50              
Debt Conversion, Converted Instrument, Shares Issued   1,950,348                              
Debt Conversion, Converted Instrument, Amount   $ 3,950,000                              
Michael Howse [Member]                                  
Class of Warrant or Right, Number of Securities Called by Warrants or Rights           110,000                      
Debt Conversion Converted Instrument Percentage of Shares Held           0.00%                      
Michael Howse [Member] | Achievement of significant milestone [Member]                                  
Class of Warrant or Right, Number of Securities Called by Warrants or Rights                           110,000      
Michael Howse [Member] | Achieivement additional significant milestone [Member]                                  
Class of Warrant or Right, Number of Securities Called by Warrants or Rights                           65,000      
Michael Howse [Member] | Share-based Compensation Award, Tranche One [Member] | chief strategy officerMember [Member]                                  
Class of Warrant or Right, Exercise Price of Warrants or Rights                           $ 2.00      
Michael Howse [Member] | Share-based Compensation Award, Tranche Two [Member]                                  
Class of Warrant or Right, Number of Securities Called by Warrants or Rights                           165,000      
Michael Howse [Member] | Share-based Compensation Award, Tranche Two [Member] | chief strategy officerMember [Member]                                  
Class of Warrant or Right, Exercise Price of Warrants or Rights                           $ 2.00      
Michael Howse [Member] | Warrant [Member] | Share-based Compensation Award, Tranche One [Member]                                  
Class of Warrant or Right, Number of Securities Called by Warrants or Rights                           110,000      
Helge Kristensen [Member]                                  
Convertible Notes Payable, Current           $ 0   $ 0                  
Debt Conversion Converted Instrument Percentage of Shares Held           1.00%   1.00%                  
Debt Conversion, Converted Instrument, Shares Issued   27,923                              
Debt Conversion, Converted Instrument, Amount   $ 50,000                              
Helge Kristensen [Member] | Warrant [Member]                                  
Class of Warrant or Right, Exercise Price of Warrants or Rights               $ 5.40                  
Helge Kristensen [Member] | Warrant [Member] | Inizio Capital [Member]                                  
Class of Warrant or Right, Number of Securities Called by Warrants or Rights               1,341                  
Helge Kristensen [Member] | Warrant [Member] | Hansong Technology [Member]                                  
Class of Warrant or Right, Number of Securities Called by Warrants or Rights               942                  
Carl E Berg [Member]                                  
Convertible Notes Payable, Current   $ 1,479,000       $ 0   $ 0                  
Debt Conversion Converted Instrument Percentage of Shares Held           10.40%   10.40%                  
Debt Conversion, Converted Instrument, Shares Issued   464,687                              
Carl E Berg [Member] | Other Convertible Notes [Member]                                  
Debt Instrument, Interest Rate, Increase (Decrease)         10.00%                        
Carl E Berg [Member] | Series D Convertible Note [Member]                                  
Debt Instrument, Maturity Date         Jun. 30, 2018                        
Carl E Berg [Member] | Warrant [Member] | Other Convertible Notes [Member]                                  
Class of Warrant or Right, Number of Securities Called by Warrants or Rights         25,965                        
Class of Warrant or Right, Exercise Price of Warrants or Rights         $ 5.40                        
Carl E Berg [Member] | Warrant [Member] | Series D Convertible Note [Member]                                  
Class of Warrant or Right, Number of Securities Called by Warrants or Rights         39,216                        
Class of Warrant or Right, Exercise Price of Warrants or Rights         $ 5.40                        
Lisa Walsh [Member]                                  
Class of Warrant or Right, Exercise Price of Warrants or Rights                             $ 5.40    
Convertible Notes Payable, Current           $ 0   $ 0                  
Debt Conversion Converted Instrument Percentage of Shares Held           26.40%   26.40%                  
Lisa Walsh [Member] | Series G Notes [Member]                                  
Debt Instrument, Maturity Date     Jul. 15, 2018                            
Lisa Walsh [Member] | Series D Convertible Note [Member]                                  
Debt Instrument, Interest Rate, Increase (Decrease)         10.00%                        
Debt Instrument, Maturity Date         Jun. 30, 2018                        
Lisa Walsh [Member] | Warrant [Member]                                  
Class of Warrant or Right, Number of Securities Called by Warrants or Rights         112,419                        
Class of Warrant or Right, Exercise Price of Warrants or Rights         $ 5.40                        
Walsh [Member]                                  
Class of Warrant or Right, Number of Securities Called by Warrants or Rights   2,938,650               69,444     23,150        
Class of Warrant or Right, Exercise Price of Warrants or Rights   $ 3.00               $ 4.50     $ 4.50        
Convertible Notes Payable, Current   $ 8,330,000                              
Walsh [Member] | Series G Notes [Member]                                  
Debt Instrument, Face Amount                     $ 288,000            
Michael Fazio [Member]                                  
Class of Warrant or Right, Exercise Price of Warrants or Rights   $ 3.00                           $ 4.50  
Convertible Notes Payable, Current           $ 0   $ 0                  
Debt Conversion Converted Instrument Percentage of Shares Held           0.10%   0.10%                  
Class of Warrant or Right, Number of Securities Called by Each Warrant or Right   487,864                           2,614,381  
Michael Fazio [Member] | Series E Convertible Notes [Member]                                  
Debt Instrument, Face Amount                               $ 5,000,000