12. DARPA CONTRACT AND RELATED REVENUE RECOGNITION (Details) (USD $) In Thousands, unless otherwise specified	1 Months Ended	12 Months Ended
Jun. 30, 2012	Mar. 31, 2012
Revenue Recognition, Milestone Method [Line Items]
Number Of Milestones Under Year One Contract		8
Number Of Milestones Achieved Under Year One Contract		5
Revenue Recognition, Milestone Method, Revenue Recognized	$ 216,747

The amount of consideration recognized during the period for the milestone or milestones.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 605

-SubTopic 28

-Section 50

-Paragraph 2

-Subparagraph (e)

-URI http://asc.fasb.org/extlink&oid=19771982&loc=SL6892177-166501

Name:	us-gaap_RevenueRecognitionMilestoneMethodRevenueRecognized
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration