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Consolidated Statements of Stockholders' Equity - USD ($)
Stockholders' Equity
Common Stock
Additional Paid-In Capital
Accumulated Deficit
Noncontrolling Interest
Total
Balance at the beginning of the year at Dec. 31, 2017 $ 2,432,000 $ 2,000 $ 52,441,000 $ (50,011,000) $ 0 $ 2,432,000
Balances at Dec. 31, 2017   15,608,853        
Shares issued in stock offering ($2.25 per share) 24,668,000 $ 1,000 24,667,000 0 0 24,668,000
Shares issued in stock offering ($2.25 per share) (in shares)   10,963,543        
Issuance costs of rights offering (1,157,000) $ 0 (1,157,000) 0 0 (1,157,000)
Shares issued for services ($3.50 per share) 26,000 $ 0 26,000 0 0 26,000
Shares issued for services ($3.50 per share) (in shares)   7,500        
Shares issued for services ($1.44 per share) 4,000 $ 0 4,000 0 0 4,000
Shares issued for services ($1.44 per share) (in shares)   2,500        
Shares issued for board service ($1.85 per share) 212,000 $ 0 212,000 0 0 212,000
Shares issued for board service ($1.85 per share) (in shares)   114,865        
Share Based Compensation 224,000 $ 0 224,000 0 0 224,000
Noncontrolling interest granted as compensation 0 0 0 0 0 0
Net loss (9,500,000) 0 0 (9,500,000) 0 (9,500,000)
Balance at the end of the year at Dec. 31, 2018 16,909,000 $ 3,000 76,417,000 (59,511,000) 0 16,909,000
Balances (in shares) at Dec. 31, 2018   26,697,261        
Shares issued for services ($1.44 per share) 11,000 $ 0 11,000 0 0 11,000
Shares issued for services ($1.44 per share) (in shares)   7,500        
Shares issued for services ($1.03 per share) 3,000 $ 0 3,000 0 0 3,000
Shares issued for services ($1.03 per share) (in shares)   2,500        
Fair value of stock options issued in payment of accrued compensation 100,000 $ 0 100,000 0 0 100,000
Fair value of stock options issued for board service 137,000 $ 0 137,000 0 0 137,000
Fair value of stock options issued for board service (in shares)   0        
Share Based Compensation 542,000 $ 0 542,000 0 0 542,000
Noncontrolling interest granted as compensation 0 0 0 0 6,000 6,000
Net loss (8,479,000) 0 0 (8,479,000) (3,000) (8,482,000)
Balance at the end of the year at Dec. 31, 2019 $ 9,223,000 $ 3,000 $ 77,210,000 $ (67,990,000) $ 3,000 $ 9,226,000
Balances (in shares) at Dec. 31, 2019   26,707,261