Condensed Consolidated Balance Sheets (unaudited) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Current assets:
Cash and cash equivalents	$ 23,214	$ 27,591
Restricted time deposits	244	249
Accounts receivable, net	51,127	49,990
Other receivables	6,503	8,220
Inventories	25,435	22,981
Income tax refunds receivable	1,002	1,256
Deferred income taxes	1,185	1,219
Other current assets	6,156	5,664
Total current assets	114,866	117,170
Property and equipment, net	5,391	5,555
Deferred income taxes, net of current portion	3,756	3,694
Intangibles, net	762	873
Other assets	601	655
Total assets	125,376	127,947
Current liabilities:
Short-term debt	6,794	4,320
Deferred consideration payable	233	233
Accounts payable	24,430	23,991
Accrued liabilities	15,780	19,463
Deferred revenue	10,925	10,557
Other current liabilities	642	357
Total current liabilities	58,804	58,921
Other long-term liabilities	5,303	5,236
Commitments and contingencies
Stockholders' equity:
Preferred Stock, $0.01 par value: Authorized — 1,000 shares; no shares issued or outstanding	0	0
Common Stock, $0.0017 par value: Authorized---16,000 shares; Issued---8,136 shares in 2014 and 8,143 shares in 2013; Outstanding — 7,280 shares in 2014 and 7,286 shares in 2013	270	270
Additional paid-in capital	1,283,626	1,281,883
Accumulated deficit	(1,212,554)	(1,208,337)
Treasury stock — 856 shares in 2014 and 856 shares in 2013	(10,412)	(10,412)
Accumulated other comprehensive income	339	386
Total stockholders' equity	61,269	63,790
Total liabilities and stockholders' equity	$ 125,376	$ 127,947