Organization and Summary of Significant Accounting Policies - Effects of Restatement, Unaudited Condensed Consolidated Balance Sheet (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022	Mar. 31, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 28,892	$ 34,347	$ 34,160
Restricted cash	1,975	3,969	6,343
Accounts receivable - trade, net	106,291	134,471
Other receivables	20,752	16,144
Inventories	97,311	94,288
Contract assets	605	576
Prepaid expenses and other current assets	10,408	7,410
Total current assets	266,234	291,205
Property, plant and equipment, net	7,135	9,478
Right-of-use assets from operating leases	11,971	12,606
Goodwill	12,594	12,594	6,145
Intangible assets, net	30,422	31,742
Other assets	17,013	15,536
Total assets	345,369	373,161
Current liabilities:
Accounts payable - trade	107,904	118,667
Short-term debt – bank, trade facilities and secured borrowings	16,746	9,706
Current portion of long-term debt, net	23,660	24,073
Contract liabilities	16,614	18,705
Operating lease liabilities	4,859	4,834
Accrued and other liabilities	27,645	25,562
Total current liabilities	197,428	201,547
Long-term debt, net of current portion	0	0
Contract liabilities - non-current	6,584	7,788
Operating lease liabilities - non-current	10,499	11,417
Pension liabilities	11,060	11,021
Other long-term liabilities	2,583	2,806
Total liabilities	228,154	234,579
Commitments and contingencies (Note 13)
Stockholders’ equity:
Common stock	31	30
Additional paid-in capital	276,282	271,884
Accumulated other comprehensive loss	(6,611)	(4,662)
Accumulated deficit	(152,487)	(128,670)
Total stockholders’ equity	117,215	138,582	$ 126,411	$ 131,907
Total liabilities and stockholders’ equity	345,369	373,161
Previously Reported
Current assets:
Cash and cash equivalents	28,892	34,347
Restricted cash	1,975	3,969
Accounts receivable - trade, net	141,029	153,780
Other receivables	21,518	16,144
Inventories	69,722	78,513
Contract assets	605	576
Prepaid expenses and other current assets	10,689	8,371
Total current assets	274,430	295,700
Property, plant and equipment, net	7,135	9,478
Right-of-use assets from operating leases	11,971	12,606
Goodwill	19,952	19,952
Intangible assets, net	30,422	31,742
Other assets	17,013	15,536
Total assets	360,923	385,014
Current liabilities:
Accounts payable - trade	107,904	121,225
Short-term debt – bank, trade facilities and secured borrowings	16,746	9,706
Current portion of long-term debt, net	23,660	24,073
Contract liabilities	19,476	21,777
Operating lease liabilities	4,859	4,834
Accrued and other liabilities	29,615	27,559
Total current liabilities	202,260	209,174
Long-term debt, net of current portion	0	0
Contract liabilities - non-current	6,636	7,864
Operating lease liabilities - non-current	10,499	11,417
Pension liabilities	11,060	11,021
Other long-term liabilities	2,583	2,806
Total liabilities	233,038	242,282
Stockholders’ equity:
Common stock	31	30
Additional paid-in capital	276,282	271,884
Accumulated other comprehensive loss	(6,462)	(4,351)
Accumulated deficit	(141,966)	(124,831)
Total stockholders’ equity	127,885	142,732
Total liabilities and stockholders’ equity	360,923	385,014
Revision of Prior Period, Adjustment
Current assets:
Cash and cash equivalents	0	0
Restricted cash	0	0
Accounts receivable - trade, net	(34,738)	(19,309)
Other receivables	(766)	0
Inventories	27,589	15,775
Contract assets	0	0
Prepaid expenses and other current assets	(281)	(961)
Total current assets	(8,196)	(4,495)
Property, plant and equipment, net	0	0
Right-of-use assets from operating leases	0	0
Goodwill	(7,358)	(7,358)
Intangible assets, net	0	0
Other assets	0	0
Total assets	(15,554)	(11,853)
Current liabilities:
Accounts payable - trade	0	(2,558)
Short-term debt – bank, trade facilities and secured borrowings	0	0
Current portion of long-term debt, net	0	0
Contract liabilities	(2,862)	(3,072)
Operating lease liabilities	0	0
Accrued and other liabilities	(1,970)	(1,997)
Total current liabilities	(4,832)	(7,627)
Long-term debt, net of current portion	0	0
Contract liabilities - non-current	(52)	(76)
Operating lease liabilities - non-current	0	0
Pension liabilities	0	0
Other long-term liabilities	0	0
Total liabilities	(4,884)	(7,703)
Stockholders’ equity:
Common stock	0	0
Additional paid-in capital	0	0
Accumulated other comprehensive loss	(149)	(311)
Accumulated deficit	(10,521)	(3,839)
Total stockholders’ equity	(10,670)	(4,150)
Total liabilities and stockholders’ equity	$ (15,554)	$ (11,853)