Quarterly report pursuant to Section 13 or 15(d)

Capital Stock, Stock Plans and Stock-based Compensation - Schedule of Stock Options Roll Forward (Details)

v3.8.0.1
Capital Stock, Stock Plans and Stock-based Compensation - Schedule of Stock Options Roll Forward (Details) - USD ($)
 9 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]    
Shares options outstanding beginning 247,200 218,200
Shares options granted 318,000 62,000
Shares options exercised
Shares options forfeited/expired (50,400) (33,000)
Shares options outstanding ending 514,800 [1] 247,200 [2]
Shares options exercisable 169,467 [1] 181,867 [2]
Shares options exercisable and expected to be vested 514,800 239,750
Weighted average exercise price options outstanding beginning $ 6.69 $ 7.65
Weighted average exercise price options granted 3.65 4.09
Weighted average exercise price options exercised
Weighted average exercise price options forfeited/expired 8.95 8.14
Weighted average exercise price options outstanding ending 4.59 [1] 6.69 [2]
Weighted average exercise price options exercisable 6.45 [1] 7.61 [2]
Weighted average exercise price options exercisable and expected to be vested $ 4.59 $ 6.78
Weighted average remaining contractual term outstanding 5 years 8 months 12 days [1] 4 years 7 months 6 days [2]
Weighted average remaining contractual term exercisable 4 years 9 months 18 days [1] 4 years [2]
Weighted average remaining contractual term exercisable and expected to be vested 5 years 8 months 12 days 4 years 7 months 6 days
Aggregate intrinsic value options outstanding $ 65,490 $ 126,267
Aggregate intrinsic value options exercisable 17,490 69,516
Aggregate intrinsic value options exercisable and expected to be vested $ 65,490 $ 118,542
[1] Options with exercise prices ranging from $2.79 to $13.35
[2] Options with exercise prices ranging from $2.79 to $14.75