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Condensed Consolidated Balance Sheets - USD ($)
$ in Thousands
Mar. 31, 2022
Dec. 31, 2021
Current assets:    
Cash and cash equivalents $ 41,520 $ 46,474
Restricted cash 3,661 3,338
Accounts receivable, net of allowance for doubtful accounts of $358 and $408, respectively 21,723 26,781
Inventories 37,474 37,402
Prepaid expenses and other 10,944 13,624
Total current assets 115,322 127,619
Property, plant and equipment, net of accumulated depreciation of $23,334 and $26,692, respectively 7,828 8,102
Rental assets, net of accumulated depreciation of $5,939 and $5,392, respectively 4,713 4,575
Intangible assets, net of accumulated amortization of $54,100 and $48,404, respectively 46,318 46,995
Goodwill 21,922 20,336
Right-of-use assets, net 7,699 7,839
Other assets 378 377
Total assets 204,180 215,843
Current liabilities:    
Accounts payable 40,096 48,577
Accrued expenses and other current liabilities 32,485 26,253
Total current liabilities 72,581 74,830
Long-term liabilities:    
2025 Notes, net 157,629 157,866
Deferred tax liabilities, net 1,051 852
Other long-term liabilities 7,109 7,149
Total liabilities 238,370 240,697
Commitments and contingencies
Stockholders’ deficit:    
Series E Preferred stock, par value $0.001; 39,500 shares designated, 25,000 shares issued and outstanding, liquidation preference of $1,000 per share (plus any accrued but unpaid dividends) 0 0
Common stock, par value $0.001; 150,000,000 shares authorized, 107,389,076 and 105,380,533 shares issued and outstanding, respectively 107 105
Additional paid-in capital 784,267 770,619
Accumulated other comprehensive loss (5,633) (8,531)
Accumulated deficit (812,931) (787,047)
Total stockholders’ deficit (34,190) (24,854)
Total liabilities and stockholders’ deficit $ 204,180 $ 215,843