Stockholders' Equity (Deficit) (Details)	12 Months Ended
	Dec. 31, 2022 stockSeries $ / shares shares	Dec. 31, 2021 $ / shares shares
Common Shares Issued
Beginning balance (in shares)	23,117,000
Ending balance (in shares)	23,117,000	23,117,000
Common Shares Outstanding
Balance at beginning of period (in shares)	22,926,000
Balance at end of period (in shares)	22,951,000	22,926,000
Series B convertible preferred stock, authorized (in shares)	5,000,000	5,000,000
Series B convertible preferred stock, par value (in dollars per share) | $ / shares	$ 0.001	$ 0.001
Preferred stock, shares outstanding (in shares)	0	0
Series B Convertible Preferred Stock
Common Shares Outstanding
Series B convertible preferred stock, authorized (in shares)	5,000,000
Series B convertible preferred stock, par value (in dollars per share) | $ / shares	$ 0.001
Number of authorized series of preferred stock | stockSeries	2
Common Stock
Common Shares Issued
Beginning balance (in shares)	23,117,000	23,117,000
Ending balance (in shares)	23,117,000	23,117,000
Treasury Stock Shares
Net shares issued for Stock Awards (in shares)	(25,000)	(34,000)
Common Shares Outstanding
Balance at beginning of period (in shares)	22,926,000	22,892,000
Net shares issued for Stock Awards (in shares)	25,000	34,000
Balance at end of period (in shares)	22,951,000	22,926,000
Treasury Stock Shares
Treasury Stock Shares
Balance at beginning of period (in shares)	191,000	225,000
Net shares issued for Stock Awards (in shares)	(25,000)	(34,000)
Balance at end of period (in shares)	166,000	191,000
Common Shares Outstanding
Net shares issued for Stock Awards (in shares)	25,000	34,000