v3.20.4
CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Cash flows from operating activities:    
Net income (loss) $ 147 $ (5,822)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:    
Depreciation and amortization 7,666 8,331
Amortization of debt issuance and warrant costs 1,276 1,092
Stock-based compensation 405 348
Change in fair value of stock warrants 598 1,230
Change in fair value of interest rate cap 0 92
Loss on sale or disposal of assets 684 8
Increases and decreases in operating assets and liabilities:    
Accounts receivable (2,698) (171)
Prepaid expenses, inventories and other 1,660 (678)
Deferred taxes (92) 80
Contract liabilities 785 5,985
Accounts payable and accrued expenses (1,440) (26)
Net cash provided by operating activities 8,991 10,469
Cash flows from investing activities:    
Purchase of property and equipment (2,638) (8,088)
Other 19 (582)
Net cash used in investing activities (2,619) (8,670)
Cash flows from financing activities:    
Proceeds from Senior Secured Notes due 2024 borrowings 0 10,000
Proceeds from CARES Act unsecured loans 5,606 0
Payment of debt discount and issuance costs (2,548) (1,188)
Repayment of Senior Secured Notes due 2024 (1,100) (1,075)
Repayment of finance lease obligation (488) (544)
Proceeds from exercise of stock options 29 225
Other (24) 0
Net cash provided by financing activities 1,475 7,418
Net increase in cash, cash equivalents and restricted cash 7,847 9,217
Cash, cash equivalents and restricted cash, beginning of period 29,851 20,634
Cash, cash equivalents and restricted cash, end of period 37,698 29,851
SUPPLEMENTAL CASH FLOW INFORMATION:    
Cash paid for interest, net of amounts capitalized 8,514 9,550
NON-CASH INVESTING ACTIVITIES:    
Accounts payable related capital expenditures $ 298 $ 515

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