Note 6 - Long-term Debt (Tables)

12 Months Ended

Dec. 31, 2014

Debt Disclosure [Abstract]

Schedule of Debt [Table Text Block]

	December 31,
	2014			2013
Senior secured debt due March 5, 2016
Interest accrues at 8% per annum	$	34,735		$	32,055
Senior secured debt due June 30, 2017
Interest accrues at 8% per annum		10,986			10,138
Convertible note instrument due March 5, 2018
Interest accrues at 7% per annum		60,455			56,638
Other loans		28			39
Debt discount, net of accumulated accretion		(1,809	)		(2,442	)
		104,395			96,428
Less current portion		11			11
	$	104,384		$	96,417

Schedule of Maturities of Long-term Debt [Table Text Block]

Year Ending December 31	($ in thousands)
2015	$	11
2016		34,746
2017		10,992
2018		60,455
2019		-
	$	106,204