CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 4,189	$ 1,761
Adjustments to reconcile net income to cash provided by (used in) operating activities:
Depreciation and amortization	2,211	2,074
Deferred tax expense	1,275	789
Stock based compensation	1,112	879
Unrealized (gain) loss on foreign currency translation	(2)	44
Changes in operating assets and liabilities:
Accounts receivable	1,764	552
Inventories	(3,691)	(6,670)
Other current assets	363	(70)
Accounts payable	(1,725)	1,696
Accrued liabilities and other	(367)	458
Other non-current assets	(2,889)	(562)
Deferred revenue and other	(1,962)	(1,233)
Net cash provided by (used in) operating activities	278	(282)
CASH FLOWS FROM INVESTING ACTIVITIES:
Proceeds from sale of equity investment	115	0
Purchases of property and equipment	(1,368)	(936)
Proceeds from disposition of property and equipment	405	0
Net cash used in investing activities	(848)	(936)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from issuance of common stock, net of distributions	649	680
Proceeds from (repayments of) line of credit borrowings, net	(142)	1,325
Repayments of other debt	(180)	(69)
Net cash provided by financing activities	327	1,936
EFFECT OF EXCHANGE RATE CHANGES ON CASH	22	74
INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	(221)	792
CASH AND CASH EQUIVALENTS, BEGINNING OF PERIOD	6,890	5,855
CASH AND CASH EQUIVALENTS, END OF PERIOD	$ 6,669	$ 6,647