CONSOLIDATED STATEMENTS OF CASH FLOWS - (UNAUDITED) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss)	$ (2,310)	$ 1,929
Adjustments to reconcile net (loss) income to net cash provided by operating activities:
Depreciation and amortization	1,521	1,379
Provision for inventory losses	495	424
Provision for doubtful accounts	410	253
Gain (Loss) on Disposition of Assets	0	(1)
Charge related to stock-based compensation	1,009	444
Deferred income taxes	(261)	(853)
Changes in operating assets and liabilities:
Accounts receivable	(261)	(339)
Income tax receivable	907	(1,169)
Inventories	(3,821)	1,161
Prepaid expenses and other current assets	17	1,040
Deferred commissions	756	(516)
Other assets	50	550
Accounts payable	394	802
Accrued expenses and other liabilities	1,020	(272)
Taxes payable	1,521	1,804
Commissions and incentives payable	1,832	1,853
Deferred revenue	(1,601)	508
Net cash provided by operating activities	1,678	8,999
CASH FLOWS FROM INVESTING ACTIVITIES:
Acquisition of property and equipment	(1,895)	(1,076)
Proceeds from sale of assets	62	1
Net cash used in investing activities	(1,833)	(1,075)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from stock options exercised	15	83
Repurchase of common stock	(7,443)	(145)
Payment of cash dividends	(1,883)	(1,015)
Repayment of capital lease obligations	(1,115)	(1,182)
Net cash used in financing activities	(10,426)	(2,259)
Effect of currency exchange rate changes on cash and cash equivalents	(1,720)	1,364
Net (decrease) increase in cash, cash equivalents, and restricted cash	(12,301)	7,029
Cash, cash equivalents, and restricted cash at the beginning of the period	46,761	36,626
Cash, cash equivalents, and restricted cash at the end of the period	34,460	43,655
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION:
Income taxes paid	381	1,625
Interest paid on capital leases and financing arrangements	38	54
Assets acquired through financing arrangements	$ 2,281	$ 130