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Condensed Consolidated Balance Sheets - USD ($)
$ in Thousands
Jun. 30, 2022
Dec. 31, 2021
Current assets:    
Cash and cash equivalents $ 21,090 $ 46,474
Restricted cash 3,270 3,338
Accounts receivable, net of allowance for doubtful accounts of $343 and $408, respectively 22,491 26,781
Inventories 46,977 37,402
Prepaid expenses and other 10,424 13,624
Total current assets 104,252 127,619
Property, plant and equipment, net of accumulated depreciation of $24,124 and $26,692, respectively 6,930 8,102
Rental assets, net of accumulated depreciation of $6,476 and $5,392, respectively 4,613 4,575
Intangible assets, net of accumulated amortization of $58,807 and $48,404, respectively 46,008 46,995
Goodwill 21,922 20,336
Right-of-use assets, net 6,985 7,839
Other assets 566 377
Total assets 191,276 215,843
Current liabilities:    
Accounts payable 45,640 48,577
Accrued expenses and other current liabilities 24,298 26,253
Total current liabilities 69,938 74,830
Liabilities, Noncurrent [Abstract]    
2025 Notes, net 157,708 157,866
Deferred tax liabilities, net 864 852
Other long-term liabilities 6,456 7,149
Total liabilities 234,966 240,697
Commitments and Contingencies
Stockholders’ deficit:    
Preferred Stock, Value, Issued 0 0
Common stock, par value $0.001; 150,000,000 shares authorized, 107,645,213 and 105,380,533 shares issued and outstanding, respectively 108 105
Additional paid-in capital 787,283 770,619
Accumulated other comprehensive loss (5,097) (8,531)
Accumulated deficit (825,984) (787,047)
Total stockholders’ deficit (43,690) (24,854)
Total liabilities and stockholders’ deficit $ 191,276 $ 215,843