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CONSOLIDATED STATEMENT OF CASH FLOWS (Unaudited) - USD ($)
$ in Thousands
 9 Months Ended
Sep. 30, 2017
Sep. 30, 2016
CASH FLOWS FROM OPERATING ACTIVITIES:    
Net income $ 3,913 $ 901
Adjustments to reconcile net income to net cash provided by (used in) operating activities:    
Depreciation and amortization 634 409
Gain on sale of assets (363) 0
Equipment transferred to cost of goods sold 725 720
Share-based compensation 540 409
Net change in:    
Trade accounts receivable (192) (2,385)
Inventories (766) (211)
Other current assets (33) 213
Accounts payable and accrued liabilities 1,497 160
Deferred revenue (485) 163
Other long-term liabilities (52) 86
Deposits and other long-term assets 18 1
Net cash provided by (used in) operating activities 5,436 466
CASH FLOWS FROM INVESTING ACTIVITIES:    
Purchases of property, plant and equipment (1,642) (1,688)
Net proceeds from sale of assets 363 0
Cash provided by (used in) investing activities (1,279) (1,688)
CASH FLOWS FROM FINANCING ACTIVITIES:    
Net proceeds from issuance of common stock, less payments for shares withheld to cover tax (895) (76)
Repurchase of common stock 0 (191)
Cash provided by (used in) financing activities (895) (267)
Increase/(decrease) in cash and cash equivalents 3,262 (1,489)
Effects of exchange rate changes on cash 331 (54)
Cash and cash equivalents at beginning of period 11,571 11,268
Cash and cash equivalents at end of period 15,164 9,725
Supplemental disclosure of cash flow information:    
Cash paid during the period for: Income Taxes $ 82 $ 6