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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
CASH FLOWS FROM OPERATING ACTIVITIES:    
Net loss $ (3,253) $ (1,485)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities -    
Depreciation and amortization 981 1,027
Amortization of debt discount 146 140
Noncash lease expense 775 631
Provision for bad debts 61 373
Accretion of asset retirement obligation 165 182
(Benefit) provision for deferred income taxes 81 (617)
Noncash compensation 634  
Loss (gain) on sale of property and equipment (6) 78
Changes in assets and liabilities -    
Accounts receivable 1,183 335
Prepaid expenses and other current assets (186) 909
Other assets 39 (44)
Accounts payable and accrued liabilities (412) (2,783)
Deferred revenue 215 (182)
Other liabilities 155 (127)
Net cash provided by (used in) operating activities 578 (1,563)
CASH FLOWS FROM INVESTING ACTIVITIES:    
Purchases of property and equipment (206) (197)
Proceeds from the sale of property and equipment 111  
Net cash used in investing activities (95) (197)
CASH FLOWS FROM FINANCING ACTIVITIES:    
Payments of long-term debt   (918)
Proceeds from long-term debt   5,181
Payments for debt-related costs   (181)
Settlement of tax withholding obligations (164)  
Net cash provided by (used in) financing activities (164) 4,082
INCREASE IN CASH, CASH EQUIVALENTS AND RESTRICTED CASH 319 2,322
CASH, CASH EQUIVALENTS AND RESTRICTED CASH:    
Beginning of period 4,171 2,083
End of period 4,490 4,405
SUPPLEMENTAL DISCLOSURES:    
Cash paid for interest $ 1,157 $ 1,148