Note 15 - Income Taxes (Detail) - Classification in the Consolidated Balance Sheets of the significant components of deferred tax assets and liabilities: (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Deferred tax assets:
Other current assets	$ 188
Other long-term assets	1,696	1,711
Total deferred tax assets	1,884	1,711
Deferred tax liabilities:
Other current liabilities		(15)
Other long-term liabilities	(33)	(30)
Total deferred tax liabilities	(33)	(45)
	$ 1,851	$ 1,666