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Condensed Consolidated Statement of Stockholders' Equity - 9 months ended Sep. 30, 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 offerings ($2.25 per share) 24,668,000 $ 1,000 24,667,000 0
Shares issued in stock offerings ($2.25 per share) (in shares)   10,963,543    
Issuance costs of offerings (1,157,000) $ 0 (1,157,000) 0
Shares issued for services ($3.50 per share) 26,000 $ 0 26,000 0
Shares issued for services ($3.50 per share) (in shares)   7,500    
Shares issued for board service ($1.85 per share) 150,000 $ 0 150,000 0
Shares issued for board service ($1.85 per share) (in shares)   81,084    
Share based compensation 170,000 $ 0 170,000 0
Net loss (6,959,000) 0 0 (6,959,000)
Balances at Sep. 30, 2018 $ 19,330,000 $ 3,000 $ 76,297,000 $ (56,970,000)
Balances (in shares) at Sep. 30, 2018   26,660,980