XML 42 R53.htm IDEA: XBRL DOCUMENT v2.4.0.8
Income Taxes - Additional Information (Detail) (USD $)
6 Months Ended
Jun. 30, 2014
Dec. 31, 2013
Income Tax Disclosure [Abstract]    
Valuation allowance $ 7,534,000 $ 6,582,000
Federal income tax net operating loss carry forward   $ 4,212,000
Federal income tax net operating loss carry forward, expiration dates Various dates beginning in 2032