Restatement of Previously Issued Financial Statements - Consolidated Balance Sheets (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 50,141	$ 65,584	$ 72,266	$ 81,412	$ 32,557	$ 32,184	$ 29,923	$ 21,827	$ 12,632
Accounts receivable, less allowance for credit losses	38,953	32,464	33,944	36,584	21,949	29,030	36,269	32,678
Contract assets	895	1,914	1,041	2,379	4,822	452	346	2,427
Prepaid expenses and other current assets	3,768	4,222	4,519	4,661	4,449	4,104	5,042	8,775
Total current assets	93,757	104,184	111,770	125,036	63,777	65,770	71,580	65,707
Non-current assets:
Property and equipment, net	1,566	1,519	1,586	1,570	997	1,095	1,199	1,308
Goodwill	119,081	118,621	118,621	119,769	48,683	48,683	48,683	48,683
Intangible assets, net	119,119	119,257	118,197	120,444	82,040	82,823	81,948	83,816
Right-of-use assets	9,263	9,430	9,620	9,701	4,041	4,188	4,341	4,491
Other non-current assets	990	1,072	1,089	1,107	372	452	469	509
Total assets	343,776	354,083	360,883	377,627	199,910	203,011	208,220	204,565
Current liabilities:
Accounts payable	8,455	4,249	7,128	6,215	11,038	9,076	7,298	10,508
Short-term debt, including current portion of long-term debt	818	0	417	826	1,229	0	522	1,296
Accrued liabilities	19,496	26,356	20,375	21,516	16,233	15,460	15,630	18,271
Contract liabilities	2,541	2,082	3,496	3,853	879	2,320	2,000	2,347
Current portion of long-term lease liability	1,068	1,075	1,077	848	779	803	850	810
Derivative liabilities	170,515	15,851	17,181	25,262	38,353	29,166	46,435	28,469
Other current liabilities	73	1,027	3,748	4,856	602	871	1,355	2,136
Total current liabilities	202,966	50,640	53,422	63,376	69,113	57,696	74,090	63,837
Non-current liabilities
Long-term debt, net	135,404	166,362	162,863	159,473	156,155	152,870	149,655	146,540
Long-term lease liability	9,120	9,327	9,562	11,300	4,313	4,517	4,714	4,906
Deferred tax liabilities	0	291	291	305	328	615	615	667
Total liabilities	347,490	226,620	226,138	234,454	229,909	215,698	229,074	215,950
Stockholders deficit:
Common stock	26	25	25	25	17	17	17	16
Additional paid-in capital	625,130	618,256	610,395	604,384	303,428	297,218	291,933	282,573
Treasury stock	(57,350)	(57,350)	(57,350)	(57,350)	(57,350)	(57,350)	(57,350)	(57,350)
Accumulated deficit	(571,641)	(433,460)	(418,325)	(403,886)	(276,094)	(252,572)	(255,454)	(236,624)
Total stockholders’ equity (deficit)	(3,714)	127,463	134,745	143,173	(29,999)	(12,687)	(20,854)	(11,385)	9,755	$ 159,688
Total liabilities and stockholders’ equity (deficit)	$ 343,776	354,083	360,883	377,627	199,910	203,011	208,220	204,565
As previously reported
Current assets:
Cash and cash equivalents		65,584	72,266	81,412	32,557	32,184	29,923	21,827
Accounts receivable, less allowance for credit losses		32,464	33,944	36,584	21,949	29,030	36,269	32,678
Contract assets		1,914	1,041	2,379	4,822	452	346	2,427
Prepaid expenses and other current assets		4,222	4,519	4,661	4,449	4,104	5,042	8,775
Total current assets		104,184	111,770	125,036	63,777	65,770	71,580	65,707
Non-current assets:
Property and equipment, net		1,519	1,586	1,570	997	1,095	1,199	1,308
Goodwill		118,621	118,621	119,769	48,683	48,683	48,683	48,683
Intangible assets, net		119,257	118,197	120,444	82,040	82,823	81,948	83,816
Right-of-use assets		9,430	9,620	9,701	4,041	4,188	4,341	4,491
Other non-current assets		1,072	1,089	1,107	372	452	469	509
Total assets		354,083	360,883	377,627	199,910	203,011	208,220	204,565
Current liabilities:
Accounts payable		4,249	7,128	6,215	11,038	9,076	7,298	10,508
Short-term debt, including current portion of long-term debt		0	417	826	1,229	0	522	1,296
Accrued liabilities		26,356	20,375	21,516	16,233	15,460	15,630	18,271
Contract liabilities		2,082	3,496	3,853	879	2,320	2,000	2,347
Current portion of long-term lease liability		1,075	1,077	848	779	803	850	810
Derivative liabilities		15,796	17,074	24,956	37,862	28,467	44,126	25,469
Other current liabilities		1,027	3,748	4,856	602	871	1,355	2,136
Total current liabilities		50,585	53,315	63,070	68,622	56,997	71,781	60,837
Non-current liabilities
Long-term debt, net		195,738	195,250	194,761	194,273	193,784	193,296	192,807
Long-term lease liability		9,327	9,562	11,300	4,313	4,517	4,714	4,906
Deferred tax liabilities		0	0	14	37	2	2	54
Total liabilities		255,650	258,127	269,145	267,245	255,300	269,793	258,604
Stockholders deficit:
Common stock		25	25	25	17	17	17	16
Additional paid-in capital		618,256	610,395	604,384	303,428	297,218	291,933	282,573
Treasury stock		(57,350)	(57,350)	(57,350)	(57,350)	(57,350)	(57,350)	(57,350)
Accumulated deficit		(462,490)	(450,314)	(438,577)	(313,430)	(292,174)	(296,173)	(279,278)
Total stockholders’ equity (deficit)		98,433	102,756	108,482	(67,335)	(52,289)	(61,573)	(54,039)		$ 122,368
Total liabilities and stockholders’ equity (deficit)		354,083	360,883	377,627	199,910	203,011	208,220	204,565
Restatement adjustment
Current assets:
Cash and cash equivalents		0	0	0	0	0	0	0
Accounts receivable, less allowance for credit losses		0	0	0	0	0	0	0
Contract assets		0	0	0	0	0	0	0
Prepaid expenses and other current assets		0	0	0	0	0	0	0
Total current assets		0	0	0	0	0	0	0
Non-current assets:
Property and equipment, net		0	0	0	0	0	0	0
Goodwill		0	0	0	0	0	0	0
Intangible assets, net		0	0	0	0	0	0	0
Right-of-use assets		0	0	0	0	0	0	0
Other non-current assets		0	0	0	0	0	0	0
Total assets		0	0	0	0	0	0	0
Current liabilities:
Accounts payable		0	0	0	0	0	0	0
Short-term debt, including current portion of long-term debt		0	0	0	0	0	0	0
Accrued liabilities		0	0	0	0	0	0	0
Contract liabilities		0	0	0	0	0	0	0
Current portion of long-term lease liability		0	0	0	0	0	0	0
Derivative liabilities		55	107	306	491	699	2,309	3,000
Other current liabilities		0	0	0	0	0	0	0
Total current liabilities		55	107	306	491	699	2,309	3,000
Non-current liabilities
Long-term debt, net		(29,376)	(32,387)	(35,288)	(38,118)	(40,914)	(43,641)	(46,267)
Long-term lease liability		0	0	0	0	0	0	0
Deferred tax liabilities		291	291	291	291	613	613	613
Total liabilities		(29,030)	(31,989)	(34,691)	(37,336)	(39,602)	(40,719)	(42,654)
Stockholders deficit:
Common stock		0	0	0	0	0	0	0
Additional paid-in capital		0	0	0	0	0	0	0
Treasury stock		0	0	0	0	0	0	0
Accumulated deficit		29,030	31,989	34,691	37,336	39,602	40,719	42,654	$ (47,600)
Total stockholders’ equity (deficit)		29,030	31,989	34,691	37,336	39,602	40,719	42,654
Total liabilities and stockholders’ equity (deficit)		$ 0	$ 0	$ 0	$ 0	$ 0	$ 0	$ 0