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Stockholders' Equity - Stock Options (Details) - USD ($)	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Other disclosures
Compensation expense			$ 170,000	$ 670,000
Employee
Other disclosures
Compensation expense			$ 20,000.00	410,000
Non Management Directors
Other disclosures
Compensation expense				260,000
Employee Stock Option [Member]
Number of Options
Outstanding, beginning balance (in shares)			5,614,310
Granted (in shares)			100,000
Exercised (in shares)			87,750
Expired/Forfeited (in shares)			(482,390)
Outstanding, ending balance (in shares)	5,144,170		5,144,170		5,614,310
Exercisable (in shares)	1,481,670		1,481,670
Weighted Average Exercise Price
Outstanding, beginning balance (in dollars per share)			$ 2.12
Granted (in dollars per share)			1.51
Exercised (in dollars per share)			0.80
Expired/Forfeited (in dollars per share)			3.17
Outstanding, ending balance (in dollars per share)	$ 2.04		2.04		$ 2.12
Exercisable (in dollars per share)	$ 2.83		$ 2.83
Other disclosures
Outstanding Weighted Average Remaining Contractual Life (in Years)			4 years 4 months 13 days		4 years 9 months 3 days
Exercisable Weighted Average Remaining Contractual Life (in Years)			1 year 11 months 1 day
Aggregate Intrinsic Value, Outstanding	$ 0		$ 0		$ 0
Aggregate Intrinsic Value, Exercisable	0		0
Compensation expense	20,000.00	$ 30,000.00	70,000.00	$ 430,000
Unrecognized compensation expense	$ 110,000		$ 110,000
Weighted average period of recognition			1 year 2 months 23 days
Employee Stock Option [Member] | Non Management Directors
Number of Options
Granted (in shares)			100,000
Weighted Average Exercise Price
Granted (in dollars per share)			$ 1.51
Other disclosures
Vesting rights (percentage per year)			50.00%

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Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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