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Condensed Statements of Operations - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Sales $ 0 $ 0 $ 360,000 $ 0
Cost of goods sold 0 0 251,000 0
Gross profit 0 0 109,000 0
Operating expenses:        
Research and development 1,141,000 1,216,000 2,315,000 2,541,000
General and administrative 1,110,000 1,226,000 2,438,000 2,502,000
Total operating expenses 2,251,000 2,442,000 4,753,000 5,043,000
Loss from operations (2,251,000) (2,442,000) (4,644,000) (5,043,000)
Other income:        
Interest income 15,000 11,000 29,000 23,000
Net Loss $ (2,236,000) $ (2,431,000) $ (4,615,000) $ (5,020,000)
Net Loss per share - basic and fully diluted $ (0.14) $ (0.19) $ (0.30) $ (0.39)
Weighted average number of shares outstanding - basic and fully diluted 15,601,380 12,917,410 15,234,010 12,893,251