Capital Stock and Warrants - Preferred Stock (Details) - USD ($) $ / shares in Units, $ in Thousands	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Capital Stock and Warrants
Preferred stock, aggregate liquidation preference	$ 35,700		$ 37,733
Preferred stock, shares issued	9,554,764		11,351,841
Preferred stock, par value (in dollars per share)	$ 0.001		$ 0.001
Preferred stock, shares authorized	43,405,324		43,405,324
Shares issued and outstanding	9,554,764
Proceeds Net of Issuance Costs	$ 34,536
Share conversion costs	(5)	$ (50)
Series A Preferred Stock
Capital Stock and Warrants
Preferred stock, aggregate liquidation preference	$ 1,267
Shares issued and outstanding	1,418,381
Proceeds Net of Issuance Costs	$ 614
Series B Preferred Stock
Capital Stock and Warrants
Preferred stock, aggregate liquidation preference	$ 7,138
Shares issued and outstanding	3,498,859
Proceeds Net of Issuance Costs	$ 7,098
Series m Preferred Stock
Capital Stock and Warrants
Preferred stock, aggregate liquidation preference	$ 5,403
Shares issued and outstanding	1,800,959
Proceeds Net of Issuance Costs	$ 4,676
Series m-2 Preferred Stock
Capital Stock and Warrants
Preferred stock, aggregate liquidation preference	$ 480
Shares issued and outstanding	160,000
Proceeds Net of Issuance Costs	$ 480
Series S Preferred Stock
Capital Stock and Warrants
Preferred stock, aggregate liquidation preference	$ 21,412
Shares issued and outstanding	2,676,565
Proceeds Net of Issuance Costs	$ 21,668