Capital Stock - Equity Activity (Details) - USD ($) $ in Thousands			12 Months Ended
	Dec. 10, 2020	Oct. 20, 2020	Dec. 31, 2020	Dec. 31, 2019
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Treasury stock (in shares)			113,300	105,300
Common Stock, shares outstanding (in shares)			7,748,629	5,161,500
Beginning Balance			$ 21,785	$ 6,830
Issuance of stock on vested restricted stock units			(16)	0
Stock-based compensation			198	110
Ending Balance			$ 22,057	$ 21,785
Common Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning Balance (in shares)			5,267,000	5,114,000
Beginning Balance (in shares)			5,267,000	5,114,000
Issuance of common shares from financing (in shares)			2,293,000
Conversion of convertible preferred stock, shares (in shares)			158,333	43,919
Issuances related to Stock Compensation			30,834	109,183
Issuance of common shares from warrant exercise (in shares)		72,238	72,000
Forfeiture of restricted stock agreement (in shares)			(9,321)	0
Issuance of shares for professional service fees (in shares)	50,000		50,000
Ending Balance (in shares)			7,862,000	5,267,000
Ending Balance (in shares)			7,862,000	5,267,000
Beginning Balance			$ 1	$ 1
Ending Balance			$ 1	$ 1
Treasury Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning Balance (in shares)			105,000	133,000
Shares withheld and repurchased to satisfy tax obligations (in shares)			8,000	48,000
Ending Balance (in shares)			113,000	105,000
Beginning Balance			$ (165)	$ (496)
Issuance of stock on vested restricted stock units			(16)	382
Stock-based compensation			(16)	(51)
Ending Balance			$ (181)	$ (165)