CONSOLIDATED STATEMENT OF CASH FLOWS (in thousands) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 5,449	$ 1,656
Adjustments to reconcile income to net cash provided by (used in) operating activities:
Depreciation and amortization	822	602
Gain on sale of assets	(366)	(140)
Equipment transferred to cost of goods sold	749	882
Share-based compensation	714	520
Net change in:
Trade accounts receivable	1,215	(2,051)
Inventories	59	(452)
Other current assets	(198)	73
Accounts payable and accrued liabilities	1,520	869
Deferred revenue	(247)	951
Other long-term liabilities	(11)	48
Deposits and other long-term assets	(580)	0
Net cash provided by (used in) operating activities	9,126	2,958
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property, plant and equipment	(2,154)	(2,122)
Proceeds from sale of assets	366	140
Cash provided by (used in) investing activities	(1,788)	(1,982)
CASH FLOWS FROM FINANCING ACTIVITIES:
Net proceeds from issuance of common stock, less payments for shares withheld to cover tax	(939)	(163)
Repurchase of common stock	0	(191)
Cash provided by (used in) financing activities	(939)	(354)
Increase in cash and cash equivalents	6,399	622
Effects of exchange rate changes on cash	571	(319)
Cash and cash equivalents at beginning of period	11,571	11,268
Cash and cash equivalents at end of period	18,541	11,571
Supplemental disclosure of non-cash financing activities:
Cash paid (received) during the year for: Income Taxes	$ 127	$ 7