Capital Stock - Common Stock Activity (Details) - shares	3 Months Ended	12 Months Ended
	Mar. 31, 2024	Dec. 31, 2023
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Treasury stock, shares (in shares)	8,000	8,000
Common stock, shares outstanding (in shares)	20,285,675	16,683,572
Common Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning Balance (in shares)	16,692,000	2,071,000
Issuances from Preferred Stock Conversions (in shares)	3,602,000	14,102,000
Issuances related to warrant exercises (in shares)		746,000
Issuances related to stock compensation (in shares)		180,000
Common shares exchanged for prepaid warrants (in shares)		(407,000)
Ending Balance (in shares)	20,294,000	16,692,000
Ending Balance (in shares)	20,294,000	16,692,000
Treasury stock, shares (in shares)	(8,000)
Common stock, shares outstanding (in shares)	20,286,000