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UNAUDITED CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($)
$ in Thousands
Sep. 30, 2021
Dec. 31, 2020
Current assets:    
Cash and cash equivalents $ 20,527 $ 38,660
Restricted cash 40 664
Accounts receivable, net of allowance for doubtful accounts of $743 and $1,316 at September 30, 2021 and December 31, 2020, respectively 11,560 11,764
Inventories, net 8,818 11,837
Income taxes receivable 55 403
Other current assets 4,811 3,127
Assets held for sale 545 0
Total current assets 46,356 66,455
Property and equipment, net 7,769 9,087
Operating lease right-of-use assets 2,099 2,320
Goodwill 8,092 8,092
Deferred tax assets, net 209 223
Other long-term assets 29 33
TOTAL ASSETS 64,554 86,210
Current liabilities:    
Accounts payable 5,224 5,787
Accrued liabilities 10,465 18,275
Income taxes payable 38 21
Interest payable 70 34
Current portion of operating lease liabilities 586 636
Current portion of finance lease liabilities 48 60
Current portion of long-term debt 1,336 4,048
Total current liabilities 17,767 28,861
Deferred revenue, long-term 100 117
Long-term operating lease liabilities 7,888 8,348
Long-term finance lease liabilities 64 96
Long-term debt 3,452 1,617
TOTAL LIABILITIES 29,271 39,039
Commitments and contingencies (See Note 11)
Stockholders’ equity:    
Preferred stock, $0.0001 par value, 100,000 shares authorized; no shares issued and outstanding 0 0
Common stock, $0.0001 par value, 140,000,000 shares authorized; 79,610,243 shares issued and 69,316,933 shares outstanding at September 30, 2021; 78,669,414 shares issued and 73,088,494 shares outstanding at December 31, 2020 8 8
Additional paid-in capital 362,174 359,721
Accumulated other comprehensive income (loss) 51 (19)
Accumulated deficit (293,025) (278,688)
Treasury stock, at cost; 5,648,721 and 5,580,920 shares at September 30, 2021 and December 31, 2020, respectively (33,925) (33,851)
Total stockholders’ equity 35,283 47,171
TOTAL LIABILITIES AND STOCKHOLDERS’ EQUITY $ 64,554 $ 86,210