CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 151,812	$ 187,248
Accounts receivable, net of allowances of $1,412 and $2,307, respectively	40,438	41,893
Inventories	99,043	91,703
Prepaid expenses and other current assets	12,085	10,313
Total current assets	303,378	331,157
Property and equipment, net	96,185	87,401
Right-of-use asset	24,661	25,283
Goodwill	40,831	39,689
Intangible assets, net	82,090	85,274
Other assets	1,544	3,249
Total assets	548,689	572,053
Current liabilities:
Accounts payable	34,036	25,737
Accrued expenses and other current liabilities	61,152	55,549
Contract liability	14,893	15,255
Short-term debt	1,789	342
Current portion of operating lease liability	4,034	4,212
Total current liabilities	115,904	101,095
Long-term debt	326,639	326,489
Operating lease liability, less current portion	23,934	24,383
Other long-term liabilities	16,625	17,061
Commitments and contingencies (Note 10)
Redeemable preferred stock, $0.0001 par value; 20,000 shares authorized at March 31, 2022 and December 31, 2021; 3,319 shares issued and outstanding at March 31, 2022 and December 31, 2021	23,603	23,603
Stockholders' equity:
Common stock, $0.0001 par value; 200,000 authorized; 101,293 shares issued and 101,178 shares outstanding at March 31, 2022; and 99,627 shares issued and 99,537 shares outstanding at December 31, 2021	10	10
Treasury stock, 1,808 shares, at cost	(25,097)	(25,097)
Additional paid-in capital	899,414	892,828
Accumulated other comprehensive deficit	(7,174)	(5,994)
Accumulated deficit	(825,169)	(782,325)
Total stockholders’ equity	41,984	79,422
Total liabilities and stockholders’ equity	548,689	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 March 31, 2022 and December 31, 2021