Investment Securities (Details 3) - USD ($)	3 Months Ended	12 Months Ended
Investment Securities (Details 3) - USD ($)	Mar. 31, 2016	Dec. 31, 2015
Available-for-sale securities
Less Than 12 Months, Fair Value	$ 1,977,567	$ 7,912,198
Less Than 12 Months, Unrealized Losses	16,794	122,433
12 Months Or Longer, Fair Value	2,017,176	2,005,582
12 Months Or Longer, Unrealized Losses	44,921	75,017
Total Fair Value	3,994,743	9,917,780
Total Unrealized Losses	61,715	197,450
Held-to-maturity debt securities
Estimated fair value of securities pledged to secure public deposits	6,188,000	11,882,419
Corporate bonds [Member]
Available-for-sale securities
Less Than 12 Months, Fair Value		490,257
Less Than 12 Months, Unrealized Losses		$ 9,743
12 Months Or Longer, Fair Value
12 Months Or Longer, Unrealized Losses
Total Fair Value		$ 490,257
Total Unrealized Losses		9,743
Mortgage-backed securities [Member]
Available-for-sale securities
Less Than 12 Months, Fair Value	1,977,567	2,425,228
Less Than 12 Months, Unrealized Losses	16,794	75,480
12 Months Or Longer, Fair Value	839,071	853,073
12 Months Or Longer, Unrealized Losses	9,875	14,193
Total Fair Value	2,816,638	3,278,301
Total Unrealized Losses	$ 26,669	89,673
Small Business Administration Securities [Member]
Available-for-sale securities
Less Than 12 Months, Fair Value		2,881,805
Less Than 12 Months, Unrealized Losses		21,964
12 Months Or Longer, Fair Value	$ 1,178,105	1,152,509
12 Months Or Longer, Unrealized Losses	35,046	60,824
Total Fair Value	1,178,105	4,034,314
Total Unrealized Losses	$ 35,046	82,788
State, county and municipal [Member]
Available-for-sale securities
Less Than 12 Months, Fair Value		2,114,908
Less Than 12 Months, Unrealized Losses		$ 15,246
12 Months Or Longer, Fair Value
12 Months Or Longer, Unrealized Losses
Total Fair Value		$ 2,114,908
Total Unrealized Losses		15,246
Held-to-maturity debt securities
Less Than 12 Months, Fair Value		2,283,612
Less Than 12 Months, Unrealized Losses		$ 44,615
12 Months Or Longer, Fair Value
12 Months Or Longer, Unrealized Losses
Total Fair Value		$ 2,283,612
Total Unrealized Losses		$ 44,615

Congaree Bancshares Inc 10-Q