Note 6 - Long-term Debt and Lease Obligation (Tables)

12 Months Ended

Dec. 31, 2018

Notes Tables

Schedule of Debt [Table Text Block]

	December 31,
	201 8			201 7
Senior secured debt due May 25, 2021	$	67,401		$	62,701
Interest accrues at 8% per annum
Convertible note instrument due March 5, 2018		-			1,371
Interest accrues at 7% per annum
Convertible note instrument due March 5, 2020		73,158			69,488
Interest accrues at 7% per annum
Lease Obligation		14,831			13,720
Other loans		104			160
Debt discount and debt issuance costs, net of accumulated accretion		(4,778	)		(8,988	)
		150,716			138,452
Less current portion		59			1,408
	$	150,657		$	137,044

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

Year Ending December 31	($ in thousands)
2019	$	59
2020		73,189
2021		67,416
2022		-
2023+		14,830
Total	$	155,494