CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss)	$ 3,289	$ (3,886)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation and amortization	2,088	2,064
Operating Right Of Use Lease Liabilities Net	1,727	0
Provision for inventory losses	986	710
Provision for doubtful accounts	82	543
Loss on disposal of assets	121	4
Stock-based compensation expense	734	1,145
Deferred income taxes	1,064	1,167
Changes in operating assets and liabilities:
Accounts receivable	(931)	(376)
Income tax receivable	71	616
Inventories	2,051	(4,145)
Prepaid expenses and other current assets	1,705	407
Deferred commissions	691	1,431
Other Assets	(130)	(17)
Accounts payable	(3,198)	716
Accrued expenses and other liabilities	(1,646)	(96)
Taxes payable	(468)	251
Commissions and incentives payable	(2,461)	2,531
Deferred revenue	(858)	(3,287)
Net cash provided by (used in) operating activities	4,917	(222)
CASH FLOWS FROM INVESTING ACTIVITIES:
Acquisition of property and equipment	(1,220)	(2,338)
Proceeds from sale of assets	0	62
Net Cash Provided by (Used in) Investing Activities	(1,220)	(2,276)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from stock options exercised	0	114
Repurchase of common stock	(294)	(7,543)
Payment of cash dividends	(1,200)	(3,086)
Repayment of finance lease obligations and other long term liabilities	(1,220)	(1,540)
Net Cash Provided by (Used in) Financing Activities	(2,714)	(12,055)
Effect of currency exchange rate changes on cash, cash equivalents and restricted cash	(567)	(1,624)
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect	416	(16,177)
Cash, cash equivalents and restricted cash at the end of the year	24,762	21,845
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION:
Income taxes paid, net	996	800
Interest paid on finance leases	0	0
Assets acquired through financing arrangements under ASC 840	0	2,281
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	31,000	30,584
Non Cash Operating Lease Right Of Use Assets And Lease Liabilities	4,638	0
Non Cash Finance Lease Right Of Use Assets And Lease Liabilities	103	0
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability	2,574	0
Right-of-Use Asset Obtained in Exchange for Finance Lease Liability	$ 236	$ 0