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Consolidated Balance Sheets (Parenthetical) - $ / shares
Dec. 31, 2018
Dec. 31, 2017
Common stock, shares authorized 10,000,000 10,000,000
Common stock, par value $ 0.001 $ 0.001
Common stock, shares issued 8,800,313 5,859,414
Common stock, shares outstanding 8,800,313 5,859,414
Series B Preferred stock    
Preferred stock, shares authorized 54,425 54,425
Preferred stock, par value $ 0.001 $ 0.001
Preferred stock, shares issued 82 83
Preferred stock, shares outstanding 82 83
Preferred stock, liquidation preference $ 0.001 $ 0.001