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Stockholder's Equity - Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based payment	$ 385	$ 559	$ 1,629	$ 1,433
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation expense	$ 1,428		$ 1,428
Weighted-average period of recognition			2 years 7 months 9 days
Shares issued (in shares)	0		0
Restricted stock surrendered (in shares)	0		0
Stock options granted (in shares)	0		266,000	317,000
Stock options expired (in shares)	230,000		501,000	564,000
Stock options outstanding (in shares)	995,000		995,000
Stock options outstanding, weighted average exercise price (in USD per share)	$ 8.23		$ 8.23
Stock options exercisable (in shares)	410,000		410,000
Exercisable stock options, weighted average exercise price (in USD per share)	$ 9.32		$ 9.32
Stock Options | ESPP Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based payment	$ 384	558	$ 1,622	$ 1,408
Employee Stock | ESPP Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based payment	$ 1	$ 1	$ 7	$ 25
Percentage of Company's common stock share price	85.00%		85.00%
Stock options issued ESPP (in shares)	0	17,000	24,000	17,000
Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation expense	$ 2,002		$ 2,002
Weighted-average period of recognition			2 years 2 months 19 days
Restricted stock (in shares)	85,000		207,000
Restricted stock, weighted average price (in USD per share)	$ 4.51		$ 4.82
Restricted stock award, forfeitures, less than (in shares)	0		43,000
Restricted stock vested (in shares)	16,000		158,000
Unvested outstanding options (in shares)	0		0
Performance-Based or Market-Based Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unvested outstanding options (in shares)	0		0

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