CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 107,470	$ 187,248
Accounts receivable, net of allowances of $561 and $2,307, respectively	43,928	41,893
Inventories	102,796	91,703
Prepaid expenses and other current assets	11,045	10,313
Total current assets	265,239	331,157
Property and equipment, net	99,183	87,401
Right-of-use assets	28,116	25,283
Goodwill	39,170	39,689
Intangible assets, net	78,611	85,274
Other assets	1,616	3,249
Total assets	511,935	572,053
Current liabilities:
Accounts payable	33,157	25,737
Accrued expenses and other current liabilities	55,874	55,549
Contract liabilities	13,850	15,255
Short-term debt	14,266	342
Current portion of operating lease liabilities	4,164	4,212
Total current liabilities	121,311	101,095
Long-term debt	313,397	326,489
Operating lease liabilities, less current portion	27,335	24,383
Other long-term liabilities	15,750	17,061
Commitments and contingencies (Note 10)
Redeemable preferred stock, $0.0001 par value; 20,000 shares authorized at June 30, 2022 and December 31, 2021; 3,319 shares issued and outstanding at June 30, 2022 and December 31, 2021	23,603	23,603
Stockholders' equity:
Common stock, $0.0001 par value; 200,000 authorized; 104,633 shares issued and 104,518 shares outstanding at June 30, 2022; and 99,627 shares issued and 99,537 shares outstanding at December 31, 2021	11	10
Treasury stock, 1,808 shares, at cost	(25,097)	(25,097)
Additional paid-in capital	910,577	892,828
Accumulated other comprehensive deficit	(12,463)	(5,994)
Accumulated deficit	(862,489)	(782,325)
Total stockholders’ equity	10,539	79,422
Total liabilities and stockholders’ equity	511,935	572,053
Series A Convertible Preferred Stock
Stockholders' equity:
Series A convertible preferred stock, $0.0001 par value; 15 shares authorized, and 0 shares issued and outstanding at June 30, 2022 and December 31, 2021