Investment Securities - Summary of Available for Sale Securities (Detail) - USD ($)	Sep. 30, 2015	Dec. 31, 2014
Schedule of Available-for-sale Securities [Line Items]
Cost	$ 8,113,027	$ 704,173
Gains in Accumulated Other Comprehensive Income	9,179	117,263
Losses in Accumulated Other Comprehensive Income	(255,129)
Estimated Fair Value (Level 1 and 2 Inputs)	7,867,077	821,436
Debt Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Cost	843,951
Gains in Accumulated Other Comprehensive Income	9,179
Equity Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Cost	7,269,076	704,173
Gains in Accumulated Other Comprehensive Income		117,263
Losses in Accumulated Other Comprehensive Income	(255,129)
Estimated Fair Value (Level 1 and 2 Inputs)		821,436
Preferred Stock [Member]
Schedule of Available-for-sale Securities [Line Items]
Cost		704,173
Gains in Accumulated Other Comprehensive Income		117,263
Estimated Fair Value (Level 1 and 2 Inputs)		$ 821,436
Common Stock [Member] \| Equity Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Cost	7,269,076
Losses in Accumulated Other Comprehensive Income	(255,129)
Quoted Prices in Active Markets (Level 1 and 2 Inputs) [Member]
Schedule of Available-for-sale Securities [Line Items]
Estimated Fair Value (Level 1 and 2 Inputs)	7,867,077
Quoted Prices in Active Markets (Level 1 and 2 Inputs) [Member] \| Debt Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Estimated Fair Value (Level 1 and 2 Inputs)	853,130
Quoted Prices in Active Markets (Level 1 and 2 Inputs) [Member] \| Equity Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Estimated Fair Value (Level 1 and 2 Inputs)	7,013,947
Quoted Prices in Active Markets (Level 1 and 2 Inputs) [Member] \| Common Stock [Member] \| Equity Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Estimated Fair Value (Level 1 and 2 Inputs)	7,013,947
Corporate Debt Securities [Member] \| Debt Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Cost	843,951
Gains in Accumulated Other Comprehensive Income	9,179
Corporate Debt Securities [Member] \| Quoted Prices in Active Markets (Level 1 and 2 Inputs) [Member] \| Debt Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Estimated Fair Value (Level 1 and 2 Inputs)	$ 853,130

Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

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-Name Accounting Standards Codification

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Amount before tax of unrealized loss in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale.

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