Note 10 - Debt (Tables)

9 Months Ended

Sep. 30, 2013

Note 10 - Debt (Tables) [Line Items]

Schedule of Debt [Table Text Block]

	September 30, 2013		December 31, 2012
	(in thousands)
Convertible Notes, 8.5%, due October 2017, net of discount of ($19.3) million at September 30, 2013 and none at December 31, 2012	$	124,457	$	-
Convertible Notes, 6.5%, due March 2015, net of discount of ($5.3) million at September 30, 2013 and ($17.4) million at December 31, 2012		80,655		153,479
$75.0 million Secured Debt Facility, 3-month LIBOR plus 9%, due July 2015		-		35,000
$40.0 million Secured Debt Facility, 3-month LIBOR plus 8%, due January 2015		-		32,727
		205,112		221,206
Less: Current maturity of long-term debt		-		24,046
Long-term debt, net	$	205,112	$	197,160

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

Year
2013	$	-
2014		12,219
2015		12,219
2016		12,219
2017		155,969
Total estimated remaining cash payments related to the 2017 Convertible Notes	$	192,626

Year
2013	$	-
2014		5,583
2015		88,681
Total estimated remaining cash payments related to the 2015 Convertible Notes	$	94,264

Schedule of Interest Expense [Table Text Block]

	Three Months Ended September 30,						Nine Months Ended September 30,
	2013			2012			2013			2012
	(in thousands)
Interest expense	$	5,796		$	7,609		$	19,365		$	24,631
Capitalized interest expense		(2,237	)		(5,307	)		(7,228	)		(12,039	)
Interest expense, net	$	3,559		$	2,302		$	12,137		$	12,592

2015 Convertible Notes [Member]

Note 10 - Debt (Tables) [Line Items]

Schedule Of Convertible Debt Interest Expense [Table Text Block]

	Three Months Ended September 30,				Nine Months Ended September 30,
	2013		2012		2013		2012
	(in thousands)
Interest expense related to the contractual interest coupon	$	2,671	$	2,778	$	8,226	$	8,333
Amortization of debt discount expense		1,529		1,690		5,182		4,941
Amortization of debt issue costs		245		240		740		713
Interest expense related to the 2015 Convertible Notes	$	4,445	$	4,708	$	14,148	$	13,987