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Aggregate number of common shares reserved for future issuance.

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Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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Number of options outstanding, including both vested and non-vested options.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Stock-Based Compensation - Additional Information (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options outstanding (in shares)	50,000		50,000		50,000
Weighted average exercise price (in dollars per share)					$ 1.28
Options outstanding, intrinsic value					$ 22
Compensation expense	$ 100	$ 200	$ 500	$ 700
Compensation cost, not yet recognized	$ 400		$ 400
Recognized over a period			2 years 9 months
The 2015 Incentive Stock Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Additional shareholders authorized (in shares)			1,000,000
Common stock, capital shares reserved for future issuance (in shares)	3,100,415		3,100,415
Number of shares available for grant (in shares)	1,160,695		1,160,695