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Condensed Consolidated Statement of Stockholders' Equity - 3 months ended Mar. 31, 2018 - USD ($)
Total
Common Stock [Member]
Additional Paid-In Capital [Member]
Accumulated Deficit [Member]
Balances at Dec. 31, 2017 $ 2,432,000 $ 2,000 $ 52,441,000 $ (50,011,000)
Balances (in shares) at Dec. 31, 2017   15,608,853    
Shares issued in stock offering ($2.25 per share) 12,937,000 $ 0 12,937,000 0
Shares issued in stock offering ($2.25 per share) (in shares)   5,750,000    
Issuance costs of rights offering (1,014,000) $ 0 (1,014,000) 0
Shares issued for services ($3.50 per share) 9,000 $ 0 9,000 0
Shares issued for services ($3.50 per share) (in shares)   2,500    
Share based compensation 50,000   50,000  
Net loss (2,278,000) $ 0 0 (2,278,000)
Balances at Mar. 31, 2018 $ 12,136,000 $ 2,000 $ 64,423,000 $ (52,289,000)
Balances (in shares) at Mar. 31, 2018   21,361,353