Note 6 - Discontinued Operations (Detail) - Net assets of discontinued operations (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Cash		$ 17
Accounts receivable		563
Inventory	156	3,103
Other current assets	31	831
Total current assets	187	4,514
Fixed assets		179
Total assets	187	4,693
Accounts payable, accrued expenses and other current liabilities	2,242	4,422
Total current liabilities	2,242	4,422
Net (liabilities) assets of discontinued operations	$ (2,055)	$ 271