Common Stock and Earnings Per Share - Summary of Common Stock and Earnings Per Share (Detail) (USD $)	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Income Available to Common Shareholders:
Income (Loss) from Continuing Operations	$ 6,383,818	$ 2,561,538	$ (301)
Discontinued Operations		1,121,709	599,503
Net Income	$ 6,383,818us-gaap_NetIncomeLoss	$ 3,683,247us-gaap_NetIncomeLoss	$ 599,202us-gaap_NetIncomeLoss
Weighted Average Shares Outstanding	5,765,997	5,739,383	5,717,937
Common Shares Applicable to Stock
Options Using the Treasury Stock Method	22,853	3,754
Total Shares Applicable to Diluted Earnings Per Share	5,788,850	5,743,137	5,717,937
Basic Net Income Per Share
Income from Continuing Operations	$ 1.11	$ 0.44
Discontinued Operations		$ 0.20	$ 0.10
Net Income	$ 1.11us-gaap_EarningsPerShareBasic	$ 0.64us-gaap_EarningsPerShareBasic	$ 0.10us-gaap_EarningsPerShareBasic
Diluted Net Income Per Share:
Income from Continuing Operations	$ 1.10	$ 0.44
Discontinued Operations		$ 0.20	$ 0.10
Net Income	$ 1.10us-gaap_EarningsPerShareDiluted	$ 0.64us-gaap_EarningsPerShareDiluted	$ 0.10us-gaap_EarningsPerShareDiluted

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