Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements - Additional Information (Details)

v3.19.3
Fair Value Measurements - Additional Information (Details) - $ / shares
Sep. 30, 2019
Jul. 25, 2018
Estimating Fair Value Offering Price   $ 5.00
Series A Preferred Stock [Member]    
Debt Instrument, Convertible, Conversion Price $ 1.50  
Debt Instrument, Interest Rate, Stated Percentage 95.00%