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Stockholders' Equity (Details 3)
3 Months Ended
Mar. 31, 2017
USD ($)
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Weighted average grant-date fair value for options granted during the year | $ / shares $ 1.01
Vested options in-the-money at March 31, 2017 | shares 175,000
Aggregate intrinsic value of options exercised during the year | $ $ 0