Unaudited Condensed Consolidated Statements of Cash Flows (Parenthetical) $ in Thousands	3 Months Ended
Jun. 30, 2015 USD ($)
Statement Of Cash Flows [Abstract]
Warrant liability reduced	$ 138
Leasehold improvements	$ 337

The cash inflow associated with the amount received from holders exercising their stock warrants.

No definition available.

Name:	us-gaap_ProceedsFromWarrantExercises
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration