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Senior Secured Notes (Tables)
 6 Months Ended
Sep. 30, 2015
Senior Secured Notes Disclosure [Abstract]  
Schedule of Long-term Debt Instruments
Our senior secured notes are comprised of the first lien notes, the second lien notes and the new second lien notes and are collectively referred to herein as the "Senior Secured Notes" and consisted of the following (in thousands):

 
 
September 30, 2015
 
March 31, 2015
   First Lien Notes
 
$
273,175

 
$
275,175

   Second Lien Notes
 
2,198

 
2,198

   New Second Lien Notes
 
39,024

 
39,024

   Unamortized discount
 
(6,344
)
 
(6,828
)
Total debt obligations
 
308,053

 
309,569

Less: current portion of long-term debt
 
—

 
—

Noncurrent debt obligations
 
$
308,053

 
$
309,569
Schedule of Maturities of Long-term Debt
The future maturities of the Senior Secured Notes as of September 30, 2015 are as follows (in thousands):

Fiscal Year
 
Amount
2016
 
$
—

2017
 
—

2018
 
273,175

2019
 
2,198

2020
 
—

Thereafter
 
39,024

Total future maturities
 
314,397

Unamortized discount
 
(6,344
)
Total debt obligations
 
$
308,053
Debt Instrument Redemption
Under the First Lien Notes Indenture, the Company has the option to redeem the First Lien Notes, in whole or in part, at the redemption prices set forth below, plus accrued and unpaid interest through the redemption date, if redeemed during the 12-month period beginning on December 15th of each of the years indicated below:

Year
 
Percentage
2014
 
105.75%
2015
 
102.875%
2016 and thereafter
 
100%

Under the Second Lien Notes Indenture, the Company has the option to redeem the Second Lien Notes, in whole or in part, at the redemption prices set forth below, plus accrued and unpaid interest through the redemption date, if redeemed during the 12-month period beginning on December 15th of each of the years indicated below:

Year
 
Percentage
2014
 
106.75%
2015
 
103.375%
2016 and thereafter
 
100%
Under the New Second Lien Notes Indenture, the Company has the option to redeem the New Second Lien Notes at any time prior to January 15, 2018 at a redemption price equal to 100% of the principal amount, plus a “make-whole” premium and accrued and unpaid interest through the redemption date. At any time prior to January 15, 2018, the Company may redeem up to 35% of the New Second Lien Notes from the net cash proceeds of one or more qualified equity offerings at a redemption price of 107% of the principal amount, plus accrued and unpaid interest through the redemption date, provided that at least 65% of the aggregate principal amount of the New Second Lien Notes remains outstanding after the redemption. The Company has the option to redeem the New Second Lien Notes on or after January 15, 2018, in whole or in part, at the redemption prices set forth below, plus accrued and unpaid interest through the redemption date, if redeemed during the 12-month period beginning on January 15th of each of the years indicated below:

Year
 
Percentage
2018
 
107%
2019
 
103.5%
2020 and thereafter
 
100%