Income Taxes - Additional Information (Detail) (USD $)	12 Months Ended
	Dec. 31, 2013
Income Taxes Disclosure [Line Items]
Operating Loss Carryforwards	$ 35,827,000
Tax Credit Carryforward, Amount	475,000
Tax Credit Carry Forward Expirations Date	2017 through 2033
Other Tax Carryforward, Gross Amount	$ 1,624,000
Operating Loss Carryforwards Expiration Dates	2013 through 2033