Condensed Consolidated Statements of Cash Flows (unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Cash flows from operating activities:
Net loss	$ (1,348)	$ (6,484)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Depreciation and amortization	1,106	1,128
Share-based compensation expense	457	475
Provision for doubtful accounts	29	(43)
Deferred income taxes	310	365
Changes in operating assets and liabilities:
Accounts and other receivables	(1,849)	551
Inventories	2,341	(4,902)
Other assets	(312)	(2,773)
Accounts payable	393	4,163
Accrued liabilities	525	(1,857)
Income tax payable	401	0
Deferred revenue	272	3,230
Other current liabilities	(533)	0
Net cash provided by (used in) operating activities	1,792	(6,147)
Cash flows from investing activities:
Purchases of property and equipment	(769)	(1,176)
Proceeds from sale of property and equipment	9	0
Release of restricted time deposits	41	(1)
Net cash used in investing activities	(719)	(1,177)
Cash flows from financing activities:
Proceeds from exercise of stock options	78	0
Purchase of treasury shares	(4,551)	0
Borrowings on short-term debt	2,710	12,392
Payments on short-term debt	(7,677)	(10,297)
Shares repurchased for tax withholdings on vesting of restricted stock awards	0	(54)
Net cash (used in) provided by financing activities	(9,440)	2,041
Effect of exchange rate changes on cash and cash equivalents	(539)	12
Net decrease in cash and cash equivalents	(8,906)	(5,271)
Cash and cash equivalents, beginning of period	22,422	27,591
Cash and cash equivalents, end of period	13,516
Supplemental disclosure of cash flow information:
Cash paid during period for interest	62	145
Cash paid during period for income taxes	$ 0	$ 625