Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Current assets:
Cash and cash equivalents	$ 83,716	$ 141,001
Short-term marketable securities	0	13,474
Restricted time deposits	1,661	1,709
Accounts receivable, net	60,964	61,455
Other receivables	11,604	15,294
Inventories	32,163	41,072
Deferred income taxes	2,062	2,511
Other current assets	6,592	9,838
Current assets of discontinued operations	0	2,774
Total current assets	198,762	289,128
Property and equipment, net	9,360	8,461
Goodwill	17,999	25,229
Deferred income taxes, net of current portion	3,702	2,125
Intangibles, net	325	0
Other assets	541	571
Noncurrent assets from discontinued operations	0	1,352
Total assets	230,689	326,866
Current liabilities:
Short-term debt	8,987	18,036
Deferred consideration payable	4,615	4,615
Accounts payable	32,064	32,279
Accrued liabilities	22,726	23,714
Deferred revenue	10,985	14,186
Other current liabilities	2,422	2,166
Current liabilities from discontinued operations	0	1,376
Total current liabilities	81,799	96,372
Other long-term liabilities	6,676	8,931
Long-term liabilities from discontinued operations	0	462
Commitments and contingencies
MRV 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 - 320,000 shares, Issued - 160,396 shares in 2011 and 160,038 shares in 2010, Outstanding - 157,704 shares in 2011 and 157,600 shares in 2010	270	270
Additional paid-in capital	1,337,935	1,410,234
Accumulated deficit	(1,207,178)	(1,200,352)
Treasury stock — 2,692 shares in 2011 and 2,437 in 2010	(3,271)	(2,846)
Accumulated other comprehensive income	14,458	13,795
Total MRV stockholders' equity	142,214	221,101
Total liabilities and stockholders' equity	$ 230,689	$ 326,866