CONSOLIDATED STATEMENTS OF CASH FLOWS - (UNAUDITED) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss)	$ 548	$ (740)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization expense	955	920
Provision for inventory losses	202	157
Provision for doubtful accounts	73	422
Loss on disposal of assets	0	3
Stock-based compensation expense	388	360
Deferred income taxes	(191)	(166)
Changes in operating assets and liabilities:
Accounts receivable	(169)	(167)
Income tax receivable	1,590	(8)
Inventories	1,155	(2,412)
Prepaid expenses and other current assets	1,207	590
Other assets	561	400
Deferred commissions	51	(674)
Accounts payable	882	3,704
Accrued expenses and other liabilities	(701)	(934)
Taxes payable	493	469
Commissions and incentives payable	730	1,832
Deferred revenue	57	1,814
Change in restricted cash	(19)	0
Net cash provided by operating activities	7,812	5,570
CASH FLOWS FROM INVESTING ACTIVITIES:
Acquisition of property and equipment	(680)	(1,408)
Net cash used in investing activities	(680)	(1,408)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from stock options exercised	83	11
Repurchase of common stock	(64)	0
Payment of cash dividends	(677)	0
Repayment of capital lease obligations	(778)	(723)
Net cash used in financing activities	(1,436)	(712)
Effect of currency exchange rate changes on cash and cash equivalents	1,178	1,477
Net increase in cash and cash equivalents	6,874	4,927
Cash and cash equivalents at the beginning of the period	28,687	31,994
Cash and cash equivalents at the end of the period	35,561	36,921
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION:
Income taxes paid	479	1,519
Interest paid on capital leases and financing arrangements	37	63
Assets acquired through financing arrangements	$ 130	$ 409