Stock Compensation (Schedule of Option Activity) (Details)
|
12 Months Ended |
|
Dec. 31, 2021
USD ($)
$ / shares
shares
|
|---|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
| Number of Shares, Options exercised |
(446,551)
|
| Stock Options [Member] |
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
| Number of Shares, Outstanding at December 31, 2020 |
4,797,834
|
| Number of Shares, Options granted |
230,000
|
| Number of Shares, Options exercised |
(514,707)
|
| Number of Shares, Options cancelled or expired |
(800,259)
|
| Number of Shares, Outstanding at December 31, 2021 |
3,712,868
|
| Number of Shares, Vested or expected to vest at December 31, 2021 |
3,711,637
|
| Number of Shares, Exercisable at December 31, 2021 |
3,586,867
|
| Weighted Average Exercise Price, Outstanding at December 31, 2020 | $ / shares |
$ 2.17
|
| Weighted Average Exercise Price, Options granted | $ / shares |
3.24
|
| Weighted Average Exercise Price, Options exercised | $ / shares |
1.92
|
| Weighted Average Exercise Price, Options cancelled or expired | $ / shares |
4.27
|
| Weighted Average Exercise Price, Outstanding at December 31, 2021 | $ / shares |
1.81
|
| Weighted Average Exercise Price, Vested or expected to vest at December 31, 2021 | $ / shares |
1.81
|
| Weighted Average Exercise Price, Exercisable at December 31, 2021 | $ / shares |
$ 1.77
|
| Weighted Average Remaining Contractual Life (In Years), Outstanding at December 31, 2021 |
3 years 3 months 21 days
|
| Weighted Average Remaining Contractual Life (In Years), Vested or expected to vest at December 31, 2021 |
3 years 3 months 21 days
|
| Weighted Average Remaining Contractual Life (In Years), Exercisable at December 31, 2021 |
3 years 1 month 17 days
|
| Aggregate Intrinsic Value, Outstanding at December 31, 2021 | $ |
$ 901,111
|
| Aggregate Intrinsic Value, Vested or expected to vest at December 31, 2021 | $ |
901,015
|
| Aggregate Intrinsic Value, Exercisable at December 31, 2021 | $ |
$ 892,211
|