The aggregate cost of the Company's cost method investments totaled $6,706,012 at December 31, 2012 and $8,771,278 at December 31, 2011. Cost method investments at December 31, 2012 include $4,154,300 in Federal Home Loan Bank ("FHLB") stock and $2,551,712 of investments in various trust and financial companies, which are included in other assets. All cost method investments were evaluated for impairment at December 31, 2012 and December 31, 2011. The following factors have been considered in determining the carrying amount of FHLB stock: 1) the recoverability of the par value, 2) the Company has sufficient liquidity to meet all operational needs in the foreseeable future and would not need to dispose of the stock below recorded amounts, 3) redemptions and purchases of the stock are at the discretion of the FHLB, and 4) the Company believes the FHLB has the ability to absorb economic losses given the expectation that the various FHLBs' have a high degree of government support. The Company estimated that the fair value equaled or exceeded the cost of these investments (that is, the investments were not impaired) with the following exceptions. During the year ended December 31, 2011, the Company's investment in a financial services company and a local community bank were considered to be other than temporarily impaired and approximately $116,003 was charged-off. In addition to the impairment charges recorded, the Company sold one of its investments in a financial services company for a loss of $79,910 for the year ended December 31, 2011. The Company's investment in a financial services company was considered to be OTTI and approximately $86,000 was charged off in the year ended December 31, 2010. There were no other than temporary impairments of non-marketable equity securities recorded for the year ended December 31, 2012.

The following tables present non-marketable securities at December 31, 2012 and December 31, 2011:



		December 31, 2012
Investment	Investment Type	Original Cost	Cumulative OTTI Charge	Current Balance
Federal Home Loan Bank of Atlanta	Common Stock	4,154,300	—	4,154,300
Yadkin Valley Statutory Trust I	Common Stock	774,000	—	774,000
American Community Capital Trust II	Common Stock	310,000	—	310,000
Limited partnerships providing lending
services to middle-market companies	Limited Partner	1,330,846	—	1,330,846
Other	Common Stock	138,780	1,914	136,866
Total		6,707,926	1,914	6,706,012



		December 31, 2011
Investment	Investment Type	Original Cost		Cumulative OTTI Charge		Current Balance
Federal Home Loan Bank of Atlanta	Common Stock	$	6,130,000	$	—	$	6,130,000
Yadkin Valley Statutory Trust I	Common Stock	774,000		—		774,000
American Community Capital Trust II	Common Stock	310,000		—		310,000
Limited partnerships providing lending
services to middle-market companies	Limited Partner	1,420,412		—		1,420,412
Other	Common Stock	638,793		501,927		136,866
Total		$	9,273,205	$	501,927	$	8,771,278