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Consolidated Statements of Cash Flows (Unaudited) - USD ($)
$ in Thousands
 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Cash flows from operating activities:    
Net Loss $ (6,097) $ (2,617)
Adjustments to reconcile net loss to net cash provided by operating activities:    
Depreciation 982 972
Impairment charges 0 941
Amortization of intangible assets 2,881 2,866
Amortization of deferred financing costs 197 189
Stock-based compensation expense 1,562 1,206
Provision for allowance for doubtful accounts 4 368
Other non-cash charges 419 9
Changes in operating assets and liabilities:    
Accounts receivable 5,855 2,681
Inventories (1,374) (209)
Other assets (601) 150
Accounts payable 1,250 (1,382)
Accrued income taxes 343 (361)
Other current liabilities 332 (1,371)
Deferred revenue (276) (288)
Other long-term liabilities (233) (487)
Net cash provided by operating activities 5,244 2,667
Cash flows from investing activities:    
Additions to property, plant and equipment (524) (423)
Disposition 0 1,020
Other 0 (9)
Net cash (used in) provided by investing activities (524) 588
Cash flows from financing activities:    
Proceeds from issuance of debt 6,115 2,300
Repayments of debt (16,411) (8,503)
Taxes paid for net share settlement of equity awards (75) (334)
Net cash used in financing activities (10,371) (6,537)
Effect of exchange rate changes on cash (55) 43
Decrease in cash and cash equivalents (5,706) (3,239)
Cash and cash equivalents at beginning of period 8,335 8,173
Cash and cash equivalents at end of period 2,629 4,934
Supplemental disclosures of cash flow information:    
Cash paid for interest 2,549 2,861
Cash paid for income taxes $ 98 $ 299