Stock Transactions and Preferred Stock Dividends - Additional Information (Detail) - shares	3 Months Ended	6 Months Ended	12 Months Ended
Jun. 30, 2015	Jun. 30, 2015	Dec. 31, 2014
Uncategorized [Abstract]
Common stock issued for compensation or services	405,288
Common stock issued for board service		271,955	271,955
Common stock issued for services and consulting		133,333	133,333

Number of shares issued in lieu of cash for services contributed to the entity. Number of shares includes, but is not limited to, shares issued for services contributed by vendors and founders.

No definition available.

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Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration