CONSOLIDATED STATEMENT OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss)	$ 979	$ (168)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation and amortization	164	128
Gain on sale of assets	(211)	0
Equipment transferred to cost of goods sold	116	378
Share-based compensation	97	95
Net change in:
Trade accounts receivable	(547)	(699)
Inventories	(331)	(679)
Other current assets	(55)	93
Accounts payable and accrued liabilities	(503)	(355)
Deferred revenue	(522)	111
Other long-term liabilities	(17)	134
Net cash provided by (used in) operating activities	(830)	(962)
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property, plant and equipment	(403)	(642)
Net proceeds from sale of assets	211	0
Cash provided by (used in) investing activities	(192)	(642)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from issuance of common stock and (payments) related to shares withheld to cover taxes	(95)	3
Repurchase of common stock	0	(97)
Cash provided by (used in) financing activities	(95)	(94)
Increase/(decrease) in cash and cash equivalents	(1,117)	(1,698)
Effects of exchange rate changes on cash	59	128
Cash and cash equivalents at beginning of period	11,571	11,268
Cash and cash equivalents at end of period	10,513	9,698
Supplemental disclosure of cash flow information:
Cash paid during the period for: Income Taxes	$ 30	$ 3