Notes Payable - Related party - Additional Information (Detail) (USD $)	1 Months Ended			1 Months Ended
	May 31, 2013	Jun. 30, 2013	Dec. 31, 2012	Sep. 30, 2010 International Electronic Devices, Inc	Jun. 30, 2013 International Electronic Devices, Inc
Notes Payable Convertible Notes Payable and Convertible Notes Payable Related Parties [Line Items]
Debt maturity date				May 15, 2020
Long term notes payable, related party, net of current portion due		$ 5,303,683	$ 7,303,683
Interest accrues rate					5.00%
Debt Instrument, Periodic Payment, Principal	$ 2,000,000