Condensed Consolidated Balance Sheets (unaudited) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Current assets:
Cash and cash equivalents	$ 35,948	$ 40,609
Restricted time deposits	243	240
Accounts receivable, net	33,297	32,237
Other receivables	14,616	18,287
Inventories	19,760	22,444
Deferred income taxes	1,395	1,145
Other current assets	5,260	4,629
Total current assets	110,519	119,591
Property and equipment, net	5,038	3,735
Deferred income taxes, net of current portion	3,940	3,711
Intangibles, net	400	400
Other assets	690	1,128
Total assets	120,587	128,565
Current liabilities:
Short-term debt	2,809	5,267
Deferred consideration payable	233	233
Accounts payable	18,343	20,478
Accrued liabilities	18,105	16,652
Deferred revenue	8,632	7,290
Other current liabilities	940	560
Total current liabilities	49,062	50,480
Other long-term liabilities	5,495	5,184
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---8,128 shares in 2013 and 8,061 shares in 2012; Outstanding — 7,520 shares in 2013 and 7,594 shares in 2012	271	270
Additional paid-in capital	1,281,475	1,281,170
Accumulated deficit	(1,206,941)	(1,201,515)
Treasury stock — 608 shares in 2013 and 467 shares in 2012	(7,884)	(6,528)
Accumulated other comprehensive income	(891)	(496)
Total stockholders' equity	66,030	72,901
Total liabilities and stockholders' equity	$ 120,587	$ 128,565