Unaudited Condensed Consolidated Statements of Cash Flows (Parenthetical) - USD ($)	3 Months Ended	40 Months Ended
Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015
Statement Of Cash Flows [Abstract]
Warrant liability reduced	$ 138,000	$ 55,000
Leasehold improvements	$ 337,000		$ 481,000

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