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Stockholders' Equity (Detail Textuals 3) - USD ($)
 12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Stockholders' Equity    
Number of warrant outstanding $ 7,490,500  
Warrant exercise price $ 2.00  
Condition related to exercising warrants The Warrants expire in 2024. Subject to limited exceptions, a holder of warrants will not have the right to exercise any portion of its warrants if the holder (together with such holder's affiliates, and any persons acting as a group together with such holder or any of such holder's affiliates) would beneficially own a number of shares of common stock in excess of 4.99% (or, at the election of the purchaser, 9.99%) of the shares of our Common Stock then outstanding after giving effect to such exercise.  
Number of warrants exercised 99,500 0
Proceeds from exercise of warrants $ 199,000  
Weighted average exercise price $ 2.00