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CONSOLIDATED STATEMENT OF CASH FLOWS (in thousands) (UNAUDITED) - USD ($)
$ in Thousands
 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
CASH FLOWS FROM OPERATING ACTIVITIES:    
Net income (loss) $ (2,318) $ (691)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:    
Depreciation and amortization 620 672
Gain on sale of assets 0 (60)
Equipment transferred to cost of goods sold 186 37
Share-based compensation 1,096 911
Net change in:    
Trade accounts receivable 18 1,295
Inventories 11 (311)
Other current assets (140) 27
Accounts payable and accrued liabilities 477 (2,484)
Deferred revenue (352) 163
Other long-term liabilities (1,014) (311)
Deposits and other long-term assets 1,074 33
Net cash provided by (used in) operating activities (342) (719)
CASH FLOWS FROM INVESTING ACTIVITIES:    
Purchases of property, plant and equipment (654) (456)
Net proceeds from sale of assets 0 60
Cash provided by (used in) investing activities (654) (396)
CASH FLOWS FROM FINANCING ACTIVITIES:    
Net proceeds from issuance of common stock, less payments for shares withheld to cover tax (144) (211)
Repurchase of common stock 0 (1,465)
Cash provided by (used in) financing activities (144) (1,676)
Increase (decrease) in cash and cash equivalents (1,140) (2,791)
Effects of exchange rate changes on cash 186 (374)
Cash and cash equivalents at beginning of period 13,936 18,343
Cash and cash equivalents at end of period 12,982 15,178
Supplemental disclosure of cash flow information:    
Cash paid during the period for: income taxes $ 338 $ 178