Quarterly report pursuant to Section 13 or 15(d)

STATEMENTS OF STOCKHOLDERS' EQUITY (DEFICIT)

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STATEMENTS OF STOCKHOLDERS' EQUITY (DEFICIT) - USD ($)
Class A Preferred Shares
Common Shares
Additional paid-in capital
Accumulated deficit
Total
Balance at Dec. 31, 2019 $ 0 $ 2,000 $ 74,915,000 $ (68,117,000) $ 6,800,000
Balance (in shares) at Dec. 31, 2019 250,000 16,682,190      
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Share based compensation $ 0 $ 0 215,000 0 215,000
Share based compensation (in shares) 0 0      
Cashless exercise of warrants $ 0 $ 0 0 0 0
Cashless exercise of warrants (in shares) 0 613      
Net loss $ 0 $ 0 0 (1,242,000) (1,242,000)
Balance at Mar. 31, 2020 $ 0 $ 2,000 75,130,000 (69,359,000) 5,773,000
Balance (in shares) at Mar. 31, 2020 250,000 16,682,803      
Balance at Dec. 31, 2020 $ 0 $ 2,000 75,625,000 (73,268,000) 2,359,000
Balance (in shares) at Dec. 31, 2020 250,000 16,747,803      
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Share based compensation $ 0 $ 0 114,000 0 114,000
Share based compensation (in shares) 0 0      
Cashless exercise of warrants $ 0 $ 0 0 0 0
Cashless exercise of warrants (in shares)   265      
Net loss 0 $ 0 0 (998,000) (998,000)
Balance at Mar. 31, 2021 $ 0 $ 2,000 $ 75,739,000 $ (74,266,000) $ 1,475,000
Balance (in shares) at Mar. 31, 2021 250,000 16,748,068