Investment in Available-for-Sale Securities (Details) (USD $)	9 Months Ended	12 Months Ended
	Sep. 30, 2014	Dec. 31, 2013
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Cost	$ 1,897,343	$ 2,540,490
Available-for-sale Securities, Gross Unrealized Gains	20,194	14,824
Available-for-sale Securities, Gross Unrealized Losses	(14,589)	(28,772)
Available-for-sale Securities, Fair Value	1,902,948	2,526,542
U.S. federal agency securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Cost	89,866	90,549
Available-for-sale Securities, Gross Unrealized Gains	73	93
Available-for-sale Securities, Gross Unrealized Losses	(138)	(277)
Available-for-sale Securities, Fair Value	89,801	90,365
Municipal securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Cost	439,599	735,826
Available-for-sale Securities, Gross Unrealized Gains	907	2,175
Available-for-sale Securities, Gross Unrealized Losses	(1,027)	(6)
Available-for-sale Securities, Fair Value	439,479	737,995
Certificates of deposit [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Cost	1,329,712	1,539,377
Available-for-sale Securities, Gross Unrealized Gains	18,925	12,281
Available-for-sale Securities, Gross Unrealized Losses	(13,424)	(19,398)
Available-for-sale Securities, Fair Value	1,335,213	1,532,260
Corporate debt securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Cost	38,166	174,738
Available-for-sale Securities, Gross Unrealized Gains	289	275
Available-for-sale Securities, Gross Unrealized Losses	0	(9,091)
Available-for-sale Securities, Fair Value	$ 38,455	$ 165,922