Quarterly report pursuant to Section 13 or 15(d)

Stock-based Compensation - Summary of Status of Company's Stock Option Activity (Details)

v3.8.0.1
Stock-based Compensation - Summary of Status of Company's Stock Option Activity (Details)
3 Months Ended
Mar. 31, 2018
USD ($)
$ / shares
shares
Shares  
Outstanding at December 31, 2017 | shares 2,315,035
2018 Grants | shares 0
Exercised | shares 0
Forfeited | shares (80,000)
Outstanding at March 31, 2018 | shares 2,235,035
Exercisable at March 31, 2018 | shares 849,384
Weighted Average Exercise Price  
Weighted Average Exercise Price Outstanding at December 31, 2017 | $ / shares $ 3.41
Weighted Average Exercise Price 2018 Grants | $ / shares 0
Weighted Average Exercise Price Exercised | $ / shares 0
Weighted Average Exercise Price Forfeited | $ / shares 3.76
Weighted Average Exercise Price Outstanding at March 31, 2018 | $ / shares 3.40
Weighted Average Exercise Price Exercisable at March 31, 2018 | $ / shares $ 4.84
Weighted Average Remaining Contractual Life (Years)  
Weighted Average Remaining Contractual Life Outstanding at March 31, 2018 7 years 25 days
Weighted Average Remaining Contractual Life Exercisable at March 31, 2018 4 years 6 months 14 days
Intrinsic Value  
Intrinsic Value Outstanding at March 31, 2018 | $ $ 888,040
Intrinsic Value Exercisable at March 31, 2018 | $ $ 2,360