Income Taxes - Additional Information (Detail) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Income Tax [Line Items]
Operating loss carry forwards, amount	$ 7,900,000
Federal statutory tax rate	34.00%	34.00%
Minimum
Income Tax [Line Items]
Operating loss carry forwards, expiration	2018
Maximum
Income Tax [Line Items]
Operating loss carry forwards, expiration	2030