BANK OF SOUTH CAROLINA CORPORATION - PARENT COMPANY (Details) - USD ($)	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Assets:
Other assets	$ 1,996,140	$ 2,185,085
Total assets	446,566,498	413,949,636
Liabilities and Shareholders' Equity:
Shareholders' equity	42,764,635	40,612,974	$ 39,151,712	$ 36,759,982
Total liabilities and shareholders' equity	446,566,498	413,949,636
Bank of South Carolina Corporation - Parent [Member]
Assets:
Cash	947,216	922,595	$ 946,996	$ 648,194
Investment in wholly-owned subsidiary	42,437,503	40,308,166
Other assets	127,274	76,077
Total assets	43,511,993	41,306,838
Liabilities and Shareholders' Equity:
Other liabilities	747,358	693,864
Shareholders' equity	42,764,635	40,612,974
Total liabilities and shareholders' equity	$ 43,511,993	$ 41,306,838