Unaudited Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 2,636	$ 13,822
Restricted cash	1,285	1,280
Accounts receivable - trade, net of allowance for credit losses of $4,110 as of March 31, 2024 and $4,282 as of December 31, 2023	38,428	44,816
Other receivables	453	452
Inventories	31,807	33,113
Contract assets	756	825
Prepaid expenses and other current assets	7,807	7,685
Current assets held for sale	89,378	94,375
Total current assets	172,550	196,368
Property, plant and equipment, net	2,801	3,108
Right-of-use assets from operating leases	3,929	3,661
Intangible assets, net	23,875	25,065
Other assets	12,959	13,371
Non-current assets held for sale	6,574	7,808
Total assets	222,688	249,381
Current liabilities:
Accounts payable - trade	35,805	46,003
Contract liabilities	14,825	14,945
Operating lease liabilities	2,647	2,732
Accrued and other liabilities	25,109	32,704
Current liabilities held for sale	71,204	69,427
Total current liabilities	149,590	165,811
Long-term debt	7,641	7,308
Contract liabilities - non-current	2,021	2,834
Operating lease liabilities - non-current	3,909	3,994
Pension liabilities	11,136	11,504
Other long-term liabilities	1,547	1,797
Non-current liabilities held for sale	31,849	33,574
Total liabilities	207,693	226,822
Commitments and contingencies (Note 13)
Stockholders’ equity:
Common stock, $0.001 par value, 72,000 shares authorized, 37,610 and 32,122 shares issued and outstanding as of March 31, 2024 and December 31, 2023, respectively.	36	31
Preferred stock, $0.001 par value, 25,000 shares authorized, and no shares issued and outstanding as of March 31, 2024 and December 31, 2023, respectively.	0	0
Additional paid-in capital	307,358	294,863
Accumulated other comprehensive loss	(9,805)	(8,447)
Accumulated deficit	(282,594)	(263,888)
Total stockholders’ equity	14,995	22,559
Total liabilities and stockholders’ equity	$ 222,688	$ 249,381