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Consolidated Balance Sheets - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Current assets:    
Cash and cash equivalents $ 119,747 $ 129,625
Restricted cash 725 658
Short-term investments 104,181 189,771
Accounts receivable, net 109,609 79,991
Contract assets 18,293 21,246
Inventories 170,858 145,906
Deferred cost of sales 346 433
Prepaid expenses and other current assets 25,628 19,301
Total current assets 549,387 586,931
Property, plant, and equipment, net 99,743 65,271
Operating lease right-of-use assets 28,813 10,275
Intangible assets, net 33,905 46,185
Goodwill 181,943 181,943
Deferred income taxes 1,639 1,440
Other assets 3,546 6,019
Total assets 898,976 898,064
Current liabilities:    
Accounts payable 44,456 33,656
Accrued expenses and other current liabilities 79,752 44,876
Customer deposits and deferred revenue 63,136 67,235
Income taxes payable 1,860 914
Total current liabilities 189,204 146,681
Deferred income taxes 4,792 5,240
Long-term debt 229,438 321,115
Long-term operating lease liabilities 32,834 6,305
Other liabilities 5,080 10,349
Total liabilities 461,348 489,690
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; 50,652,864 shares issued and outstanding at December 31, 2021 and 49,723,751 shares issued and outstanding at December 31, 2020 507 497
Additional paid-in capital 1,116,921 1,113,352
Accumulated deficit (681,283) (707,321)
Accumulated other comprehensive income 1,483 1,846
Total stockholders' equity 437,628 408,374
Total liabilities and stockholders' equity $ 898,976 $ 898,064