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Share Based Compensation - Schedule of Stock Option Activity (Details) - Stock Option Plans [Member]
6 Months Ended
Jun. 30, 2017
USD ($)
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Number of Shares Subject to Issuance, Outstanding | shares 1,665,420
Number of Shares Subject to Issuance, Granted | shares
Number of Shares Subject to Issuance, Forfeited or expired | shares (2,500)
Number of Shares Subject to Issuance, Exercised | shares (10,000)
Number of Shares Subject to Issuance, Outstanding | shares 1,652,920
Number of Shares Subject to Issuance, Exercisable | shares 1,054,483
Weighted-average Exercise Price, Outstanding | $ / shares $ 1.40
Weighted-average Exercise Price, Granted | $ / shares
Weighted-average Exercise Price, Forfeited or expired | $ / shares 2.79
Weighted-average Exercise Price, Exercised | $ / shares 1.01
Weighted-average Exercise Price, Outstanding | $ / shares 1.40
Weighted-average Exercise Price, Exercisable | $ / shares $ 1.39
Weighted-average Remaining Contractual Term, Outstanding Beginning 3 years 7 months 13 days
Weighted-average Remaining Contractual Term, Outstanding Ending 3 years 1 month 13 days
Weighted-average Remaining Contractual Term, Exercisable 3 years 1 month 6 days
Outstanding-Aggregate Intrinsic Value, Beginning | $ $ 2,414,446
Outstanding-Aggregate Intrinsic Value, Ending | $ 4,159,931
Exercisable-Aggregate Intrinsic Value | $ $ 2,655,401