Stock-Based Compensation - RSU activity (Details) - Restricted Stock Units (RSUs) [Member] - $ / shares	6 Months Ended	12 Months Ended
	Jun. 30, 2022	Dec. 31, 2021
Share-based Compensation Arrangement by Share-based Payment
Number of Shares, Non-vested at beginning of period	551,083	469,000
Number of Shares, Granted RSUs	333,500	310,000
Number of Shares, Vested	(286,084)	(227,917)
Number of Shares, Non-vested at end of period	537,999	551,083
Number of Shares, Forfeitures by former employees	(60,500)
Weighted Average Fair Value at Grant Date, Non-vested at beginning of period	$ 2.14	$ 3.43
Weighted Average Fair Value at Grant Date, Granted RSUs	1.84	1.25
Weighted Average Fair Value at Grant Date, Vested	2.20	3.59
Weighted Average Fair Value at Grant Date, Forfeitures by former employees	1.68
Weighted Average Fair Value at Grant Date, Non-vested at end of period	$ 1.82	$ 2.14