CONDENSED CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Restricted stock units	Common Stock	Common Stock Restricted stock units	Additional Paid-In Capital	Additional Paid-In Capital Restricted stock units	Accumulated Deficit
Balances (in shares) at Dec. 31, 2021			44,640,000
Balances at Dec. 31, 2021	$ 102,414		$ 4		$ 531,636		$ (429,226)
Increase (Decrease) in Stockholders' Equity
Issuance of common stock in conjunction with vesting of restricted stock units, net of employee's withholding liability (in shares)				680,000
Issuance of common stock in conjunction with vesting of restricted stock units/performance stock units, net of employee's withholding liability		$ (679)				$ (679)
Issuance of common stock in connection with at-the-market program (in shares)			2,464,000
Issuance of common stock in connection with at-the-market program	7,020		$ 1		7,019
Issuance of common stock upon exercise of warrant (in shares)			388,000
Issuance of common stock upon exercise of warrant	0
Stock-based compensation	2,716				2,716
Net income and comprehensive income	16,898						16,898
Net income and comprehensive income	16,898						16,898
Balances (in shares) at Jun. 30, 2022			48,172,000
Balances at Jun. 30, 2022	128,369		$ 5		540,692		(412,328)
Balances (in shares) at Mar. 31, 2022			45,335,000
Balances at Mar. 31, 2022	111,862		$ 4		532,020		(420,162)
Increase (Decrease) in Stockholders' Equity
Issuance of common stock in connection with at-the-market program (in shares)			2,464,000
Issuance of common stock in connection with at-the-market program	7,020		$ 1		7,019
Common stock issuance and other impacts of the vesting and settlement of equity awards (in shares)			373,000
Common stock issuance and other impacts of the vesting and settlement of equity awards	(81)				(81)
Stock-based compensation	1,734				1,734
Net income and comprehensive income	7,834						7,834
Net income and comprehensive income	7,834
Balances (in shares) at Jun. 30, 2022			48,172,000
Balances at Jun. 30, 2022	$ 128,369		$ 5		540,692		(412,328)
Balances (in shares) at Dec. 31, 2022	48,319,838		48,320,000
Balances at Dec. 31, 2022	$ 225,725		$ 5		545,321		(319,601)
Increase (Decrease) in Stockholders' Equity
Issuance of common stock upon exercise of options (in shares)			110,000
Issuance of common stock upon exercise of options	157				157
Induced exchange of convertible notes (in shares)			6,990,000
Induced exchange of convertible notes - (See Note 13)	26,699				26,699
Common stock issuance and other impacts of the vesting and settlement of equity awards (in shares)			1,093,000
Common stock issuance and other impacts of the vesting and settlement of equity awards	(7,947)				(7,947)
Stock-based compensation	4,651				4,651
Net income and comprehensive income	4,986						4,986
Net income and comprehensive income	$ 4,986						4,986
Balances (in shares) at Jun. 30, 2023	56,512,962		56,513,000
Balances at Jun. 30, 2023	$ 254,271		$ 5		568,881		(314,615)
Balances (in shares) at Mar. 31, 2023			55,662,000
Balances at Mar. 31, 2023	250,664		$ 5		573,744		(323,085)
Increase (Decrease) in Stockholders' Equity
Issuance of common stock upon exercise of options (in shares)			110,000
Issuance of common stock upon exercise of options	157				157
Common stock issuance and other impacts of the vesting and settlement of equity awards (in shares)			741,000
Common stock issuance and other impacts of the vesting and settlement of equity awards	(7,225)				(7,225)
Stock-based compensation	2,205				2,205
Net income and comprehensive income	8,470						8,470
Net income and comprehensive income	$ 8,470						8,470
Balances (in shares) at Jun. 30, 2023	56,512,962		56,513,000
Balances at Jun. 30, 2023	$ 254,271		$ 5		$ 568,881		$ (314,615)