LEGAL MATTERS (Details) (Lawsuit filed by a former stockholder of Genaera Corporation for breach of fiduciary duty)	0 Months Ended
	Jun. 08, 2012 item
Lawsuit filed by a former stockholder of Genaera Corporation for breach of fiduciary duty
Legal matters
Number of defendants represented by original executives	2
Number of defendants represented by executives and the Company	3
Number of defendants in a lawsuit	30