CONSOLIDATED STATEMENT OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	6 Months Ended
Jun. 30, 2018	Jun. 30, 2017
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 616	$ 2,185
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation and amortization	507	328
Gain on sale of assets	(4)	(291)
Equipment transferred to cost of goods sold	336	372
Share-based compensation	650	367
Net change in:
Trade accounts receivable	(1,650)	(2,299)
Inventories	(179)	(702)
Other current assets	175	(125)
Accounts payable and accrued liabilities	(1,667)	705
Deferred revenue	627	774
Other long-term liabilities	(34)	(34)
Deposits and other long-term assets	(175)	18
Net cash provided by (used in) operating activities	(798)	1,298
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property, plant and equipment	(495)	(815)
Net proceeds from sale of assets	4	291
Cash provided by (used in) investing activities	(491)	(524)
CASH FLOWS FROM FINANCING ACTIVITIES:
Net proceeds from issuance of common stock, less payments for shares withheld to cover tax	(420)	(491)
Cash provided by (used in) financing activities	(420)	(491)
Increase (decrease) in cash and cash equivalents	(1,709)	283
Effects of exchange rate changes on cash	(198)	179
Cash and cash equivalents at beginning of period	18,541	11,571
Cash and cash equivalents at end of period	16,634	12,033
Supplemental disclosure of cash flow information:
Cash paid during the period for: Income Taxes	$ 111	$ 48

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