BANK OF SOUTH CAROLINA CORPORATION - PARENT COMPANY (Details 2) - USD ($)	3 Months Ended								12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Cash flows from operating activities:
Net income	$ 1,226,971	$ 1,198,919	$ 1,253,438	$ 1,204,960	$ 1,191,382	$ 1,141,713	$ 1,109,927	$ 955,798	$ 4,884,288	$ 4,398,820	$ 4,076,924
Stock-based compensation expense									78,987	74,908	74,722
Net cash provided by operating activities									7,115,612	2,172,903	18,758,851
Cash flows from financing activities:
Dividends paid									(2,380,062)	(2,765,735)	(1,647,576)
Cash paid for fractional shares									(4,778)
Stock options exercised									122,946	26,050	128,477
Net cash used by financing activities									27,057,010	21,417,368	12,649,713
Change in dividends payable									59,178	325	579,655
Bank of South Carolina Corporation - Parent [Member]
Cash flows from operating activities:
Net income									4,884,288	4,398,820	4,076,924
Stock-based compensation expense									78,987	74,908	74,722
Equity in undistributed earnings of subsidiary									(2,604,622)	(1,720,798)	(2,001,591)
Decrease (increase) in other assets									202,043	(40,092)	(41,895)
Net cash provided by operating activities									2,560,696	2,712,838	2,108,160
Cash flows from financing activities:
Dividends paid									(2,380,062)	(2,766,061)	(1,647,576)
Cash paid for fractional shares									(4,778)
Stock options exercised									122,946	26,050	128,477
Net cash used by financing activities									(2,261,894)	(2,740,011)	(1,519,098)
Net increase (decrease) in cash									298,802	(27,173)	589,062
Cash at beginning of year				$ 648,194				$ 675,367	648,194	675,367	86,305
Cash at end of year	$ 946,996				$ 648,194				946,996	648,194	675,367
Change in dividends payable									$ 59,178	$ 325	$ 579,655