Note 6 - Long-Term Debt (Detail) - Carrying Amount of The Company’s Outstanding Debt (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011	Oct. 31, 2010
Zero coupon secured convertible term loan due June 29, 2013. Interest accruing at 5% per annum until June 29, 2009 and at 6% thereafter	$ 65,262	$ 56,673
Other loans	50	4
Debt discount	(2,051)	(4,641)	(3,200)
	63,261	52,036
Less current portion	11	4
	$ 63,250	$ 52,032