Condensed Consolidated Statements of Cash Flows (unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Cash flows from operating activities:
Net loss	$ (4,217)	$ (4,434)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	624	401
Share-based compensation expense	147	219
Provision for doubtful accounts	(77)	185
Deferred income taxes	365	16
Loss on disposition of property and equipment	0	14
Changes in operating assets and liabilities:
Accounts receivable	(1,092)	2,732
Inventories	(2,471)	1,407
Other assets	1,712	(3,220)
Accounts payable	455	3,061
Accrued liabilities	(2,076)	996
Income tax payable	(21)	121
Deferred revenue	371	905
Other current liabilities	(214)	131
Net cash provided by (used in) operating activities	(6,494)	2,534
Cash flows from investing activities:
Purchases of property and equipment	(352)	(955)
Release of restricted time deposits	5	(2)
Net cash used in investing activities	(347)	(957)
Cash flows from financing activities:
Purchase of treasury shares	0	(513)
Borrowings on short-term debt	6,819	968
Payments on short-term debt	(4,350)	(5,356)
Net cash provided by (used in) financing activities	2,469	(4,901)
Effect of exchange rate changes on cash and cash equivalents	(5)	(39)
Net decrease in cash and cash equivalents	(4,377)	(3,363)
Cash and cash equivalents, beginning of period	27,591	40,608
Cash and cash equivalents, end of period	23,214	37,245
Supplemental disclosure of cash flow information:
Cash paid during period for interest	51	514
Cash paid during period for income taxes	$ 0	$ 1,500