CONSOLIDATED STATEMENTS OF CASH FLOWS - (UNAUDITED) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss)	$ 688	$ (264)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation and amortization	528	511
Provision for inventory losses	178	206
Provision for doubtful accounts	37	89
Gain (Loss) on Disposition of Assets	(62)	(14)
Charge related to stock-based compensation	388	281
Deferred income taxes	200	(1,118)
Changes in operating assets and liabilities:
Accounts receivable	(74)	(216)
Income tax receivable	49	907
Inventories	(206)	131
Prepaid expenses and other current assets	(35)	(853)
Deferred commissions	29	(31)
Other assets	156	(67)
Accounts payable	(844)	(555)
Accrued expenses and other liabilities	(137)	182
Taxes payable	(117)	681
Commissions and incentives payable	(1,110)	1,033
Deferred revenue	119	44
Net cash provided by (used in) operating activities	(89)	975
CASH FLOWS FROM INVESTING ACTIVITIES:
Acquisition of property and equipment	(429)	(282)
Proceeds from sale of assets	0	1
Net cash used in investing activities	(429)	(281)
CASH FLOWS FROM FINANCING ACTIVITIES:
Repurchase of common stock	(9)	0
Payment of cash dividends	(303)	(340)
Repayment of capital lease obligations	(247)	(364)
Net cash used in financing activities	(559)	(704)
Effect of currency exchange rate changes on cash and cash equivalents	(426)	298
Net (decrease) increase in cash, cash equivalents, and restricted cash	(1,503)	288
Cash, cash equivalents, and restricted cash at the beginning of the period	30,584	46,761
Cash, cash equivalents, and restricted cash at the end of the period	29,081	47,049
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION:
Income taxes paid	181	248
Interest paid on capital leases and financing arrangements	27	11
Assets acquired through financing arrangements	$ 0	$ 1,356