CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 1,447	$ 583
Adjustments to reconcile net income to cash provided by (used in) operating activities:
Depreciation and amortization	1,096	1,006
Deferred tax expense	582	257
Stock based compensation	527	398
Unrealized (gain) loss on foreign currency translation	(1)	16
Changes in operating assets and liabilities:
Accounts receivable	2,429	405
Inventories	(3,538)	(4,058)
Other current assets	323	(194)
Accounts payable	(1,683)	237
Accrued liabilities and other	1,229	785
Other non-current assets	(1,250)	(393)
Deferred revenue and other	(1,798)	(432)
Net cash used in operating activities	(637)	(1,390)
CASH FLOWS FROM INVESTING ACTIVITIES:
Proceeds from sale of equity investment	115	0
Purchases of property and equipment	(905)	(605)
Proceeds from disposition of property and equipment	95	0
Net cash used in investing activities	(695)	(605)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from issuance of common stock, net of distributions	33	235
Proceeds from line of credit borrowings, net	655	1,633
Repayments of other debt	(128)	(34)
Net cash provided by financing activities	560	1,834
EFFECT OF EXCHANGE RATE CHANGES ON CASH	62	34
DECREASE IN CASH AND CASH EQUIVALENTS	(710)	(127)
CASH AND CASH EQUIVALENTS, BEGINNING OF PERIOD	6,890	5,855
CASH AND CASH EQUIVALENTS, END OF PERIOD	$ 6,180	$ 5,728