XML 15 R37.htm IDEA: XBRL DOCUMENT v2.4.0.6
Convertible Notes - Additional Information (Detail) (USD $)
6 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Nov. 08, 2011
Debt Instrument [Line Items]      
Principal repayments $ 100,000    
Payment on seller notes 125,000 180,000  
Credit facility, maximum borrowing capacity     $ 2,000,000
Credit facility borrowing base, percentage of eligible accounts receivable     80.00%
Credit facility LIBOR spread per annum     2.25%