Indebtedness (Tables)

6 Months Ended

Jul. 31, 2016

Debt Disclosure [Abstract]

Schedule of Debt Outstanding

Debt outstanding as of July 31, 2016, and January 31, 2016, was as follows:

	July 31,			January 31,
(in thousands)	2016			2016
4.25% Convertible Notes	$	63,048		$	61,766
8.0% Convertible Notes		97,570			97,205
Capitalized lease obligations		22			106
Less amounts representing interest		(1	)		(3	)
Total debt		160,639			159,074
Less current maturities of long-term debt		(9	)		(88	)
Total long-term debt	$	160,630		$	158,986

Summary of Carrying Value of Convertible Notes

The following table presents the carrying value of the Convertible Notes as of July 31, 2016:

	July 31,			January 31,
(in thousands)	2016			2016
4.25% Convertible Notes:
Carrying amount of the equity conversion component	$	3,106		$	3,106
Principal amount of the 4.25% Convertible Notes	$	69,500		$	69,500
Unamortized deferred financing fees		(1,286	)		(1,523	)
Unamortized debt discount (1)		(5,166	)		(6,211	)
Net carrying amount	$	63,048		$	61,766
8.0% Convertible Notes:
Principal amount of the 8.0% Convertible Notes	$	99,898		$	99,898
Unamortized deferred financing fees		(2,328	)		(2,693	)
Net carrying amount	$	97,570		$	97,205

(1) As of July 31, 2016, the remaining period over which the unamortized debt discount will be amortized is 27 months using an effective interest rate of 9.0%.