CONSOLIDATED STATEMENT OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss)	$ (691)	$ 958
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation and amortization	672	736
Gain on sale of assets	(60)	(4)
Equipment transferred to cost of goods sold	37	365
Share-based compensation	911	932
Net change in:
Trade accounts receivable	1,295	905
Inventories	(311)	(521)
Other current assets	27	(54)
Accounts payable and accrued liabilities	(2,484)	(1,211)
Deferred revenue	163	(36)
Other long-term liabilities	(311)	(55)
Deposits and other long-term assets	33	(175)
Net cash provided by (used in) operating activities	(719)	1,840
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property, plant and equipment	(456)	(668)
Net proceeds from sale of assets	60	4
Cash provided by (used in) investing activities	(396)	(664)
CASH FLOWS FROM FINANCING ACTIVITIES:
Net proceeds from issuance of common stock, less payments for shares withheld to cover tax	(211)	(429)
Repurchase of common stock	(1,465)	0
Cash provided by (used in) financing activities	(1,676)	(429)
Increase (decrease) in cash and cash equivalents	(2,791)	747
Effects of exchange rate changes on cash	(374)	(386)
Cash and cash equivalents at beginning of period	18,343	18,541
Cash and cash equivalents at end of period	15,178	18,902
Supplemental disclosure of cash flow information:
Cash paid during the period for: income taxes	$ 178	$ 118