Annual report pursuant to Section 13 and 15(d)

CONSOLIDATED STATEMENTS OF CONVERTIBLE PREFERRED STOCK AND STOCKHOLDERS' EQUITY

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CONSOLIDATED STATEMENTS OF CONVERTIBLE PREFERRED STOCK AND STOCKHOLDERS' EQUITY - USD ($)
Preferred Stock
Convertible Preferred Stock
Common Shares
Additional Paid-in Capital
Accumulated Other Comprehensive Loss
Accumulated Deficit
Total
Balance at Dec. 31, 2019 $ 517,000 $ 0 $ 188,320,000 $ (48,000) $ (187,678,000) $ 594,000
Balance (in shares) at Dec. 31, 2019 250,000 1,245,238        
Issuance of common stock and warrants, net of offering costs   $ 1,000 16,155,000     16,156,000
Issuance of common stock and warrants, net of offering costs (in shares)   5,931,062        
Issuance of common stock in connection with notes payable   $ 0 4,000     4,000
Issuance of common stock in connection with notes payable (in shares)   500        
Issuance of warrants in connection with convertible notes payable   $ 0 630,000     630,000
Proceeds from the exercise of prefunded warrants and common stock warrants   $ 0 789,000     789,000
Proceeds from the exercise of prefunded warrants and common stock warrants (in shares)   805,000        
Convertible preferred stock dividend $ 80,000 $ 0 (80,000)     (80,000)
Deemed dividend on exchange of convertible preferred stock for common stock           0
Deemed dividend from warrant down-round provision   0 (134,000)     (134,000)
Warrant repricing   0 134,000     134,000
Stock-based compensation 0 $ 0 958,000 0 0 958,000
Stock-based compensation (in shares)   128,375        
Restricted stock awards cancelled   $ 0        
Restricted stock awards cancelled (in shares)   (4,550)        
Gain On Foreign Currency Translation On Subsidiary   $ 0   48,000   48,000
Net loss $ 0 0 0 $ 0 (12,705,000) (12,705,000)
Issuance of common stock and warrants in connection with settlements   $ 0 922,000     922,000
Issuance of common stock and warrants in connection with settlements (in shares)   296,625        
Balance (in shares) at Dec. 31, 2020 250,000 8,402,250        
Balance at Dec. 31, 2020 $ 597,000 $ 1,000 207,698,000   (200,383,000) 7,316,000
Issuance of common stock upon warrant exercise   $ 0 8,303,000     8,303,000
Issuance of common stock upon warrant exercise (in shares)   3,465,495        
Registered direct offering, net of issuance costs   $ 1,000 9,025,000     9,026,000
Registered direct offering, net of issuance costs (ins shares)   2,500,000        
Warrants issued in connection with warrant exercise   $ 0 1,146,000     1,146,000
Convertible preferred stock dividend 34,000 0 (34,000)     (34,000)
Exchange of convertible preferred stock for common stock $ (631,000) $ 0 1,640,000     1,640,000
Exchange of convertible preferred stock for common stock (in shares) (250,000) 250,000        
Warrants issued upon exchange of preferred stock for common stock   $ 0 570,000     570,000
Deemed dividend on exchange of convertible preferred stock for common stock   0 (1,192,000)     (1,192,000)
Stock-based compensation   $ 0 1,346,000     1,346,000
Stock-based compensation (in shares)   974,500        
Issuance of common stock to vendor   $ 0 34,000     34,000
Issuance of common stock to vendor (in shares)   10,000        
Release of vested restricted common stock   $ 0        
Release of vested restricted common stock (in shares)   216,814        
Net loss   $ 0     (11,820,000) (11,820,000)
Issuance of warrants in exchange for services   $ 0 42,000     42,000
Balance (in shares) at Dec. 31, 2021   15,819,059        
Balance at Dec. 31, 2021 $ 0 $ 2,000 $ 228,578,000   $ (212,203,000) $ 16,377,000