Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 169,111	$ 119,747
Restricted cash	557	725
Short-term investments	101,862	104,181
Accounts receivable, net	142,985	109,609
Contract assets	29,865	18,293
Inventories	187,737	170,858
Prepaid expenses and other current assets	17,586	25,974
Total current assets	649,703	549,387
Property, plant, and equipment, net	108,416	99,743
Operating lease right-of-use assets	25,119	28,813
Intangible assets, net	26,391	33,905
Goodwill	181,943	181,943
Deferred income taxes	1,639	1,639
Other assets	3,406	3,546
Total assets	996,617	898,976
Current liabilities:
Accounts payable	51,129	44,456
Accrued expenses and other current liabilities	65,062	79,752
Customer deposits and deferred revenue	122,285	63,136
Income taxes payable	1,565	1,860
Current portion of long-term debt	20,144
Total current liabilities	260,185	189,204
Deferred income taxes	4,748	4,792
Long-term debt	254,272	229,438
Long-term operating lease liabilities	31,266	32,834
Other liabilities	5,031	5,080
Total liabilities	555,502	461,348
Stockholders' equity:
Preferred stock, $0.01 par value; 500,000 shares authorized; no shares issued and outstanding.
Common stock, $0.01 par value; 120,000,000 shares authorized; 51,420,150 shares issued and outstanding at September 30, 2022 and 50,652,864 shares issued and outstanding at December 31, 2021	515	507
Additional paid-in capital	1,071,097	1,116,921
Accumulated deficit	(630,716)	(681,283)
Accumulated other comprehensive income	219	1,483
Total stockholders' equity	441,115	437,628
Total liabilities and stockholders' equity	$ 996,617	$ 898,976