Balance Sheets (unaudited) (USD $) In Thousands	Sep. 30, 2011	Dec. 31, 2010
Current assets:
Cash and cash equivalents	$ 153,754	$ 141,001
Short-term marketable securities	0	13,474
Restricted time deposits	1,760	1,709
Accounts receivable, net	57,915	61,455
Other receivables	15,783	15,294
Inventories	36,654	41,072
Deferred income taxes	2,487	2,511
Other current assets	7,670	9,838
Current assets of discontinued operations	0	2,774
Total current assets	276,023	289,128
Property and equipment, net	8,653	8,461
Goodwill	25,879	25,229
Other intangibles	375	0
Deferred income taxes, net of current portion	3,337	2,125
Other assets	544	571
Noncurrent assets of discontinued operations	0	1,352
Total assets	314,811	326,866
Current liabilities:
Short-term debt	13,188	18,036
Deferred consideration payable	4,615	4,615
Accounts payable	25,373	32,279
Accrued liabilities	21,339	23,714
Deferred revenue	13,724	14,186
Other current liabilities	3,491	2,166
Current liabilities of discontinued operations	0	1,376
Total current liabilities	81,730	96,372
Other long-term liabilities	6,434	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---160,341 shares in 2011 and 160,038 shares in 2010; Outstanding — 157,649 shares in 2011 and 157,600 shares in 2010	270	270
Additional paid-in capital	1,412,410	1,410,234
Accumulated deficit	(1,200,681)	(1,200,352)
Treasury stock — 2,692 shares in 2011 and 2,437 in 2010	(3,271)	(2,846)
Accumulated other comprehensive income	17,919	13,795
Total stockholders' equity	226,647	221,101
Total liabilities and stockholders' equity	$ 314,811	$ 326,866