Delisting Notices (Details) (USD $)	0 Months Ended
	Mar. 02, 2013	Aug. 29, 2012	Aug. 21, 2012
Delisting Notices
Period from the date of notification letter within which plan is to be submitted to regain compliance with NASDAQ's filing requirements			60 days
Period during which bid price closed below the minimum share price requirement for continued listing on NASDAQ		30 days
Minimum share price requirement for continued listing on NASDAQ (in dollars per share)		$ 1.00
Grace period provided to regain compliance with NASDAQ's filing requirements		180 days
Second grace period provided to regain compliance with NASDAQ's filing requirements	180 days