Stock-Based Compensation, Stock Option Activity (Details) - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Stock Option Activity [Roll Forward]
Outstanding at beginning of period (in shares)	5,745,561	4,895,561
Granted (in shares)	1,025,000	1,070,000
Forfeited/cancelled (in shares)	(436,720)	(220,000)
Exercised (in shares)	0	0
Outstanding at end of period (in shares)	6,333,841	5,745,561
Exercisable, end of period (in shares)	4,541,761
Weighted Average Exercise Price [Abstract]
Outstanding at beginning of period (in dollars per share)	$ 2.9	$ 3.14
Granted (in dollars per share)	1.18	1.75
Forfeited/cancelled (in dollars per share)	2.23	2.68
Exercised (in dollars per share)	0	0
Outstanding at beginning of period (in dollars per share)	2.66	2.9
Exercisable, end of period (in dollars per share)	$ 2.79
Weighted Average Remaining Contractual Life [Abstract]
Outstanding end of the period	6 years 9 months 7 days
Exercisable, end of the period	6 years 6 months 14 days
Aggregate Intrinsic Value [Abstract]
Outstanding at end of period	$ 632,000
Exercisable, end of period	$ 447,000
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized [Abstract]
Closing price (in dollars per share)	$ 1.66
Weighted-average grant-date fair values of options granted (in dollars per share)	$ 0.85	$ 1.31
Unvested option (in shares)	1,792,080	2,194,166
Unrecognized compensation cost	$ 684,000
Unrecognized compensation cost, recognition period	1 year 5 months 12 days
Options vested (in shares)	1,119,168	1,452,918
Total fair value of options vested	$ 1,384,284	$ 2,382,842