Annual report pursuant to Section 13 and 15(d)

Liquidity - Additional Information (Detail)

v2.4.0.6
Liquidity - Additional Information (Detail) (USD $)
12 Months Ended 1 Months Ended 12 Months Ended 1 Months Ended 2 Months Ended
Jun. 30, 2012
Mar. 31, 2012
Revolving promissory note
Jun. 30, 2012
Private Placement
Sep. 24, 2012
Subsequent Event
Revolving promissory note
Aug. 31, 2012
Subsequent Event
Private Placement
Cash Cash Equivalents Short Term Investments and Restricted Investments [Line Items]          
Shares of common stocks issued     2,813,000   2,294,000
Warrants issued 2,400,328   563,000   468,000
Net proceeds from issuance of common stock and warrants $ 1,123,000       $ 924,000
Debt instrument, principal amount   $ 250,000   $ 1,500,000  
Debt instrument, interest rate, stated percentage   8.00%   8.00%  
Debt instrument, maturity date   Mar. 07, 2014   Sep. 24, 2014