Quarterly report pursuant to Section 13 or 15(d)

STOCK INCENTIVE PLANS AND SHARE-BASED COMPENSATION - Summary of Activity Relating to Stock Options (Details)

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STOCK INCENTIVE PLANS AND SHARE-BASED COMPENSATION - Summary of Activity Relating to Stock Options (Details)
$ / shares in Units, shares in Thousands, $ in Thousands
 6 Months Ended
Sep. 30, 2016
USD ($)
$ / shares
shares
Options  
Outstanding, beginning balance (in shares) | shares 4,131
Forfeited (in shares) | shares (301)
Expired (in shares) | shares (2,355)
Outstanding, ending balance (in shares) | shares 1,475
Vested and expected to vest at end of period (in shares) | shares 1,475
Exercisable at end of period (in shares) | shares 1,475
Weighted- Average Exercise Price  
Outstanding, beginning balance (usd per share) | $ / shares $ 1.52
Forfeited (usd per share) | $ / shares 1.02
Expired (usd per share) | $ / shares 0.99
Outstanding, ending balance (usd per share) | $ / shares 2.49
Vested and expected to vest at end of period (usd per share) | $ / shares 2.49
Exercisable at end of period (usd per share) | $ / shares $ 2.49
Weighted- Average Remaining Contractual Term  
Outstanding (term) 1 year 5 months 5 days
Vested and expected to vest (term) 1 year 5 months 5 days
Exercisable (term) 1 year 5 months 5 days
Aggregate Intrinsic Value  
Outstanding | $ $ 2,107
Vested and expected to vest | $ 2,107
Exercisable | $ $ 2,107