REGULATORY CAPITAL REQUIREMENTS (Details) (USD $)	Dec. 31, 2012	Dec. 31, 2011
Bank of South Carolina Corporation
Total Capital	$ 34,912,000	$ 33,045,000
Total Capital (to risk-weighted assets) ratio	13.73%	13.48%
Minimum amount of capital for adequacy purposes	20,343,000	19,606,000
Minimum amount of capital for adequacy purposes, ratio	8.00%	8.00%
Tier 1 Capital	31,730,000	29,981,000
Tier 1 Capital (to risk-weighted assets) ratio	12.48%	12.23%
Minimum amount of Tier 1 Capital for adequacy purposes	10,171,000	9,803,000
Minimum amount of Tier 1 Capital for adequacy purposes, ratio	4.00%	4.00%
Tier 1 Capital	31,730,000	29,981,000
Tier 1 Capital (to average assets) ratio	10.14%	8.96%
Minimum amount of Tier 1 Capital for adequacy purposes	12,521,000	13,386,000
Minimum amount of Tier 1 Capital for adequacy purposes, ratio	4.00%	4.00%
Bank of South Carolina Bank
Total Capital	34,686,000	32,848,000
Total Capital (to risk-weighted assets) ratio	13.64%	13.41%
Minimum amount of capital for adequacy purposes	20,343,000	19,602,000
Minimum amount of capital for adequacy purposes, ratio	8.00%	8.00%
Minimum Capital required to be well-capitalized	25,429,000	24,503,000
Minimum Capital required to be well-capitalized, ratio	10.00%	10.00%
Tier 1 Capital	31,504,000	29,784,000
Tier 1 Capital (to risk-weighted assets) ratio	12.39%	12.16%
Minimum amount of Tier 1 Capital for adequacy purposes	10,171,000	9,801,000
Minimum amount of Tier 1 Capital for adequacy purposes, ratio	4.00%	4.00%
Minimum Tier 1 Capital required to be well-capitalized	15,257,000	14,702,000
Minimum Tier 1 Capital required to be well-capitalized, ratio	6.00%	6.00%
Tier 1 Capital	31,504,000	29,784,000
Tier 1 Capital (to average assets) ratio	10.07%	8.90%
Minimum amount of Tier 1 Capital for adequacy purposes	12,515,000	13,380,000
Minimum amount of Tier 1 Capital for adequacy purposes, ratio	4.00%	4.00%
Minimum Tier 1 Capital required to be well-capitalized	$ 15,644,000	$ 16,725,000
Minimum Tier 1 Capital required to be well-capitalized, ratio	5.00%	5.00%