StockBased Compensation (Details 1)	12 Months Ended
	Dec. 31, 2020 USD ($) $ / shares shares
StockBased Compensation
Number of options outstanding, beginning | shares	1,470,406
Number of options granted | shares	475,605
Number of options exercised | shares	(241,843)
Number of options expired | shares	(45,042)
Number of options forfeited | shares	(276,069)
Number of options exercisable | shares	771,240
Number of options outstanding, ending | shares	1,383,057
Weighted average exercise price outstanding, beginning | $ / shares	$ 7.30
Weighted average exercise price granted | $ / shares	9.90
Weighted average exercise price exercised | $ / shares	5.21
Weighted average exercise price expired | $ / shares	9.60
Weighted average exercise price forfeited | $ / shares	11.73
Weighted average exercise price outstanding, ending | $ / shares	7.60
Weighted average exercise price exercisable | $ / shares	$ 6.20
Weighted average remaining contractual life outstanding, beginning	7 years 6 months
Weighted average remaining contractual life outstanding, ending	7 years 1 month 17 days
Weighted average remaining contractual life exercisable	5 years 11 months 8 days
Aggregate intrinsic value, beginning | $	$ 6,604,461
Aggregate intrinsic value, ending | $	12,000,790
Aggregate intrinsic value, exercisable | $	$ 7,773,258