10-Q

United States Securities and Exchange Commission

Washington, D.C. 20549

FORM 10-Q

(Mark One)

x	QUARTERLY REPORT UNDER SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
	For the quarterly period ended June 30, 2013
¨	TRANSITION REPORT PURSUANT SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
	For the transition period from __________to __________.

Commission File Number: 000-30497

(Exact name of small business issuer as specified in its charter)

Tennessee	62-1173944
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification No.)
835 Georgia Avenue Chattanooga, Tennessee	37402
(Address of principal executive offices)	(Zip Code)
423-385-3000	. Not Applicable
(Registrant’s telephone number, including area code)	(Former name, former address and former fiscal
	year, if changes since last report)

Indicate by check mark whether the registrant: (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.

Yes x No ¨

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such period that the registrant was required to submit and post such files).

Yes x No ¨

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting company. See the definitions of “large accelerated filer”, “accelerated filer” and “smaller reporting company” in Rule 12b-2 of the Exchange Act. (Check one):

Large accelerated filer  ¨ Accelerated filer  ¨ Non-accelerated filer  ¨ Smaller reporting company  x

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).

Yes ¨ No x

As of August 1, 2013 there were 6,547,074 shares of common stock, $1.00 par value per share, issued and outstanding.

TABLE OF CONTENTS

PART I –FINANCIAL INFORMATION

Item 1.  Financial Statements (Unaudited)
Item 2.  Management’s Discussion and Analysis of Financial Condition and Results of Operations	28
Item 3.  Quantitative and Qualitative Disclosures about Market Risk	37
Item 4.  Controls and Procedures	37
PART II – OTHER INFORMATION
Item 1. Legal Proceedings	38
Item 1A. Risk Factors	38
Item 2. Unregistered Sales of Equity Securities and Use of Proceeds	38
Item 3. Defaults Upon Senior Securities	38
Item 4. Mine Safety Disclosures	38
Item 5. Other Information	38
Item 6. Exhibits	38

2

FORWARD-LOOKING STATEMENTS

Cornerstone Bancshares, Inc. (“Cornerstone”) may from time to time make written or oral statements, including statements contained in this report (including, without limitation, certain statements in “Management’s Discussion and Analysis of Financial Condition and Results of Operations” in Item 2), that constitute forward-looking statements within the meaning of Section 21E of the Securities Exchange Act of 1934 (the “Exchange Act”). The words “expect,” “anticipate,” “intend,” “consider,” “plan,” “believe,” “seek,” “should,” “estimate,” and similar expressions are intended to identify such forward-looking statements, but other statements may constitute forward-looking statements. These statements should be considered subject to various risks and uncertainties. Such forward-looking statements are made based upon management’s belief as well as assumptions made by, and information currently available to, management pursuant to “safe harbor” provisions of the Private Securities Litigation Reform Act of 1995. Cornerstone’s actual results may differ materially from the results anticipated in forward-looking statements due to a variety of factors. Such factors include, without limitation, those specifically described in Item 1A of Part I of our Annual Report on Form 10-K for the fiscal year ended December 31, 2012, as well as the following:  (i) the possibility that our asset quality would decline or if we experience greater loan losses than anticipated, (ii) increased levels of other real estate, primarily as a result of foreclosures, (iii) the impact of liquidity needs on our results of operations and financial condition, (iv) competition from financial institutions and other financial service providers, (v) economic conditions in the local markets where we operate, (vi) the impact of obtaining regulatory approval prior to the payment of dividends, (vii) the impact of our Series A Preferred Stock on net income available to holders of our Common Stock and earnings per common share, (viii) the impact of negative developments in the financial industry and U.S. and global capital and credit markets, (ix) there can be no assurance that recently enacted legislation will continue to stabilize the U.S. financial system, (x) the relatively greater credit risk of residential construction and land development loans in our loan portfolio, (xi) adverse impact on operations and financial condition due to changes in interest rates, (xii) our ability to obtain additional capital and, if obtained, the possible significant dilution to current shareholders, (xiii) the impact of recently enacted legislation on our business, (xiv) the impact of federal and state regulations on our operations and financial performance, (xv) whether a significant deferred tax asset we have can be fully realized, (xvi) our ability to retain the services of key personnel, (xvii) the impact of Tennessee’s anti-takeover statutes and certain charter provisions on potential acquisitions of the holding company, and (xviii) our ability to adapt to technological changes. Many of such factors are beyond Cornerstone’s ability to control or predict, and readers are cautioned not to put undue reliance on such forward-looking statements. Cornerstone does not intend to update or reissue any forward-looking statements contained in this report as a result of new information or other circumstances that may become known to Cornerstone.

3

Cornerstone Bancshares, Inc. and Subsidiary

Consolidated Balance Sheets

	Unaudited
	June 30,			December 31,
	2013			2012
ASSETS
Cash and due from banks	$	1,600,127		$	3,222,139
Interest-bearing deposits at other financial institutions		27,100,735			56,173,099
Total cash and cash equivalents		28,700,862			59,395,238
Securities available for sale		99,777,449			76,096,646
Securities held to maturity (fair value approximates $41,165 and $46,212 at June 30, 2013 and December 31, 2012, respectively)		40,014			45,086
Federal Home Loan Bank stock, at cost		2,322,900			2,322,900
Loans, net of allowance for loan losses of $5,094,740 and $6,141,281 at June 30, 2013 and December 31, 2012, respectively		270,967,656			270,850,465
Bank premises and equipment, net		5,183,270			5,399,340
Accrued interest receivable		1,152,927			1,213,778
Foreclosed assets		18,866,526			20,332,313
Other assets		8,322,485			7,790,634
Total assets	$	435,334,089		$	443,446,400
LIABILITIES AND STOCKHOLDERS' EQUITY
Deposits:
Noninterest-bearing demand deposits	$	60,094,019		$	60,053,838
Interest-bearing demand deposits		24,613,914			30,178,624
Savings deposits and money market accounts		90,452,881			80,994,239
Time deposits		164,038,451			173,653,892
Total deposits		339,199,265			344,880,593
Accrued interest payable		93,464			120,558
Federal funds purchased and securities sold under agreements to repurchase		22,907,064			19,587,387
Federal Home Loan Bank advances and other borrowings		31,740,000			37,175,000
Other liabilities		1,160,021			794,026
Total liabilities		395,099,814			402,557,564
Stockholders' equity:
Preferred stock - no par value; 2,000,000 shares authorized; 600,000 shares issued and outstanding  in 2013 and 2012, respectively		14,857,236			14,821,546
Common stock - $1.00 par value; 20,000,000 shares authorized; 6,709,199 shares issued in 2013 and 2012; 6,547,074 and 6,500,396 shares outstanding in 2013 and 2012, respectively		6,547,074			6,500,396
Additional paid-in capital		21,485,355			21,390,486
Accumulated deficit		(3,146,410	)		(3,274,986	)
Accumulated other comprehensive income		491,020			1,451,394
Total stockholders' equity		40,234,275			40,888,836
Total liabilities and stockholders' equity	$	435,334,089		$	443,446,400

The Notes to Consolidated Financial Statements are an integral part of these statements.

4

Cornerstone Bancshares, Inc. and Subsidiary

Consolidated Statements of Income

	Unaudited				Unaudited
	Three months ended				Six months ended
	June 30,				June 30,
	2013		2012		2013		2012
INTEREST INCOME
Loans, including fees	$	4,079,369	$	4,185,757	$	8,221,105	$	8,329,701
Investment securities		482,117		618,255		922,023		1,085,261
Federal funds sold & other earning assets		14,533		13,341		36,005		28,428
Total interest income		4,576,019		4,817,353		9,179,133		9,443,390
INTEREST EXPENSE
Time deposits		455,340		634,961		920,596		1,334,055
Other deposits		131,534		133,459		269,464		254,702
Federal funds purchased and securities sold under agreements to repurchase		16,743		23,074		34,823		55,304
Federal Home Loan Bank advances and other borrowings		315,948		425,737		656,387		886,944
Total interest expense		919,565		1,217,231		1,881,270		2,531,005
Net interest income before provision for loan losses		3,656,454		3,600,122		7,297,863		6,912,385
Provision for loan losses		-		-		300,000		-
Net interest income after provision for loan losses		3,656,454		3,600,122		6,997,863		6,912,385
NONINTEREST INCOME
Customer service fees		201,302		207,164		389,783		404,598
Net gains from sale of securities		424,971		-		424,971		-
Net gains from sale of loans and other assets		52,382		26,246		201,582		75,910
Other noninterest income		18,650		18,612		36,468		38,900
Total noninterest income		697,305		252,022		1,052,804		519,408
NONINTEREST EXPENSE
Salaries and employee benefits		1,622,501		1,569,555		3,219,792		3,160,690
Net occupancy and equipment expense		339,606		347,928		677,485		683,741
Depository insurance		161,120		206,866		320,964		409,649
Foreclosed assets, net		798,456		480,755		927,148		631,075
Other operating expenses		780,045		818,255		1,532,219		1,612,336
Total noninterest expenses		3,701,728		3,423,359		6,677,608		6,497,491
Income before provision for income taxes		652,031		428,785		1,373,059		934,302
Provision for income taxes		256,000		118,200		524,900		267,200
Net income		396,031		310,585		848,159		667,102
Preferred stock dividend requirements		375,000		280,031		750,000		545,887
Accretion on preferred stock discount		17,845		15,241		35,690		29,709
Net income available to common shareholders	$	3,186	$	15,313	$	62,469	$	91,506
EARNINGS PER COMMON SHARE
Basic	$	-	$	-	$	0.01	$	0.01
Diluted	$	-	$	-	$	0.01	$	0.01
DIVIDENDS DECLARED PER COMMON SHARE	$	-	$	-	$	-	$	-

The Notes to Consolidated Financial Statements are an integral part of these statements.

5

Cornerstone Bancshares, Inc. and Subsidiary

Consolidated Statements of Comprehensive Income

	Unaudited
	Three Months Ended
	June 30
	2013			2012
Net income	$	396,031		$	310,585
Other comprehensive income, net of tax:
Unrealized holding (losses) gains arising during the period, net of tax benefit  (expense) of $290,725 and ($144,431) in 2013 and 2012, respectively		(474,341	)		235,651
Reclassification adjustment for gains included in net income, net of tax expense  of $161,489 in 2013		(263,482	)		-
Total other comprehensive (loss) income		(737,823	)		235,651
Comprehensive (loss) income	$	(341,792	)	$	546,236

	Unaudited
	Six Months Ended
	June 30
	2013			2012
Net income	$	848,159		$	667,102
Other comprehensive income, net of tax:
Unrealized holding (losses) gains arising during the period, net of tax benefit  (expense) of $427,124 and ($121,153) in 2013 and 2012, respectively		(696,892	)		197,671
Reclassification adjustment for gains included in net income, net of tax expense  of $161,489 in 2013		(263,482	)		-
Total other comprehensive (loss) income		(960,374	)		197,671
Comprehensive (loss) income	$	(112,215	)	$	864,773

The Notes to Consolidated Financial Statements are an integral part of these statements.

6

Cornerstone Bancshares, Inc. and Subsidiary

Consolidated Statement of Changes in Stockholders' Equity - Unaudited

For the six months ended June 30, 2013

										Accumulated
					Additional					Other			Total
	Preferred		Common		Paid-in		Accumulated			Comprehensive			Stockholders'
	Stock		Stock		Capital		Deficit			Income			Equity
BALANCE, December 31, 2012	$	14,821,546	$	6,500,396	$	21,390,486	$	(3,274,986	)	$	1,451,394		$	40,888,836
Stock compensation expense		-		-		64,528		-			-			64,528
Issuance of common stock		-		46,678		30,341		-			-			77,019
Preferred stock dividends		-		-		-		(683,893	)		-			(683,893	)
Accretion on preferred stock		35,690		-		-		(35,690	)		-			-
Net income		-		-		-		848,159			-			848,159
Unrealized holding gains (losses) on securities available for sale, net of reclassification adjustment and taxes		-		-		-		-			(960,374	)		(960,374	)
BALANCE, June 30, 2013	$	14,857,236	$	6,547,074	$	21,485,355	$	(3,146,410	)	$	491,020		$	40,234,275

The Notes to Consolidated Financial Statements are an integral part of these statements.

7

Cornerstone Bancshares, Inc. and Subsidiary

Consolidated Statements of Cash Flows

	Unaudited
	Six months ended June 30,
	2013			2012
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$	848,159		$	667,102
Adjustments to reconcile net income to net cash  provided by operating activities:
Depreciation and amortization		217,661			234,632
Provision for loan losses		300,000			-
Stock compensation expense		64,528			37,024
Gain on sale of securities		(424,971	)		-
Net losses on sales of loans and other assets		(201,582	)		(75,910	)
Changes in other operating assets and liabilities:
Accrued interest receivable		60,851			80,855
Accrued interest payable		(27,094	)		3,800
Other assets and liabilities		1,096,992			1,957,037
Net cash provided by operating activities		1,934,544			2,904,540
CASH FLOWS FROM INVESTING ACTIVITIES
Proceeds from security transactions:
Securities available for sale		21,494,189			19,474,936
Securities held to maturity		5,012			11,523
Purchase of securities available for sale		(46,297,289	)		(19,672,373	)
Loan originations and principal collections, net		(1,822,518	)		(3,397,662	)
Purchase of bank premises and equipment		(3,254	)		(61,432	)
Proceeds from sale of other real estate and other assets		2,398,465			1,916,855
Net cash (used in) investing activities		(24,225,395	)		(1,728,153	)
CASH FLOWS FROM FINANCING ACTIVITIES
Net (decrease) / increase in deposits		(5,681,328	)		7,697,663
Net increase / (decrease) in federal funds purchased and   securities sold under agreements to repurchase		3,319,677			(6,091,691	)
Net payments on Federal Home Loan Bank  advances and other borrowings		(5,435,000	)		(5,435,000	)
Payment of dividends on preferred stock		(683,893	)		(440,031	)
Issuance of common stock		77,019			-
Issuance of preferred stock		-			1,089,086
Net cash (used in) financing activities		(8,403,525	)		(3,179,973	)
NET (DECREASE) IN CASH AND CASH EQUIVALENTS		(30,694,376	)		(2,003,586	)
CASH AND CASH EQUIVALENTS, beginning of period		59,395,238			38,882,691
CASH AND CASH EQUIVALENTS, end of period	$	28,700,862		$	36,879,105
SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION
Cash paid during the period for interest	$	1,908,364		$	2,527,205
Cash paid during the period for taxes		-			913,327
NONCASH INVESTING AND FINANCING ACTIVITIES
Acquisition of real estate through foreclosure	$	1,604,806		$	6,121,012

The Notes to Consolidated Financial Statements are an integral part of these statements.

8

CORNERSTONE BANCSHARES, INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Unaudited)

Note 1. Presentation of Financial Information

Nature of Business-Cornerstone is a bank holding company whose primary business is performed by its wholly-owned subsidiary, Cornerstone Community Bank (the “Bank”). The Bank provides a full range of banking services to the Chattanooga, Tennessee market. The Bank has also established a loan production office (“LPO”) in Dalton, Georgia to further enhance the Bank’s lending markets.

Interim Financial Information (Unaudited)-The financial information in this report for June 30, 2013 and June 30, 2012 has not been audited. The information included herein should be read in conjunction with the annual consolidated financial statements and footnotes thereto included in the 2012 Annual Report to Shareholders which was furnished to each shareholder of Cornerstone in April of 2013. The consolidated financial statements presented herein conform to U.S. generally accepted accounting principles and to general industry practices. In the opinion of Cornerstone’s management, the accompanying interim financial statements contain all material adjustments, consisting only of normal recurring adjustments, necessary to present fairly the financial condition, the results of operations, and cash flows for the interim period. Results for interim periods are not necessarily indicative of the results to be expected for a full year.

Use of Estimates-The preparation of financial statements in conformity with U.S. generally accepted accounting principles requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosures of contingent assets and liabilities as of the balance sheet date and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates. Material estimates that are particularly susceptible to significant change in the near term include the determination of the allowance for loan losses.

Consolidation-The accompanying consolidated financial statements include the accounts of Cornerstone and the Bank. Substantially all intercompany transactions, profits and balances have been eliminated.

Reclassification-Certain amounts in the prior consolidated financial statements have been reclassified to conform to the current period presentation. The reclassifications had no effect on net income or stockholders’ equity as previously reported.

Accounting Policies-During interim periods, Cornerstone follows the accounting policies set forth in its Annual Report on Form 10-K for the year ended December 31, 2012 as filed with the Securities and Exchange Commission. Since December 31, 2012, there have been no significant changes in any accounting principles or practices, or in the method of applying any such principles or practices, except for the following:

In February 2013, the Financial Accounting Standards Board (FASB) issued updated guidance related to disclosure of reclassification amounts out of other comprehensive income. The standard requires that companies present either in a single note or parenthetically on the face of the financial statements, the effect of significant amounts reclassified from each component of accumulated other comprehensive income based on its source and the income statement line items affected by the reclassification. The new requirements took effect for public companies in fiscal years, and interim periods within those years, beginning after December 15, 2012. The Company adopted this standard on January 1, 2013. The effect of adopting this standard increased our disclosure requirements surrounding reclassification items out of accumulated other comprehensive income.

9

CORNERSTONE BANCSHARES, INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Unaudited)

Earnings per Common Share- Basic earnings per share (“EPS”) is computed by dividing income available to common shareholders (numerator) by the weighted average number of common shares outstanding during the period (denominator). Diluted EPS is computed by dividing income available to common shareholders (numerator) by the adjusted weighted average number of shares outstanding (denominator). The adjusted weighted average number of shares outstanding reflects the potential dilution occurring if securities or other contracts to issue common stock were exercised or converted into common stock resulting in the issuance of common stock that share in the earnings of the entity.

The following is a summary of the basic and diluted earnings per share for the three and six month periods ended June 30, 2013 and June 30, 2012.

	Three Months Ended June 30,
	2013		2012
Basic earnings per common share calculation:
Numerator: Net income available to common shareholders	$	3,186	$	15,313
Denominator: Weighted avg. common shares outstanding		6,547,074		6,500,396
Effect of dilutive stock options		112,416		81,002
Diluted shares		6,659,490		6,581,398
Basic earnings per common share	$	0.00	$	0.00
Diluted earnings per common share	$	0.00	$	0.00

	Six Months Ended June 30,
	2013		2012
Basic earnings per common share calculation:
Numerator: Net income available to common shareholders	$	62,469	$	91,506
Denominator: Weighted avg. common shares outstanding		6,547,074		6,500,396
Effect of dilutive stock options		117,454		83,498
Diluted shares		6,664,528		6,583,894
Basic earnings per common share	$	0.01	$	0.01
Diluted earnings per common share	$	0.01	$	0.01

Note 2. Stock Based Compensation

Accounting Policies- Cornerstone, as required by FASB, applies the fair value recognition provisions of ASC 718, Compensation –Stock Compensation. As a result, for the six month period ended June 30, 2013, the compensation cost charged to earnings related to the vested incentive stock options was approximately $65,000, which had no material impact on earnings per share.

Officer and Employee Plans-Cornerstone has two stock option plans under which officers and employees can be granted incentive stock options or non-qualified stock options to purchase a total of up to 1,420,000 shares of Cornerstone’s common stock. The exercise price for incentive stock options must be not less than 100 percent of the fair market value of the common stock on the date of the grant. The exercise price of the non-qualified stock options may be equal to or more or less than the fair market value of the common stock on the date of the grant. The incentive stock options vest 30 percent on the second anniversary of the grant date, 60 percent on the third anniversary of the grant date and 100 percent on the fourth anniversary of the grant date, and the non-qualified stock options vest 50 percent on the first anniversary of the grant date and 100 percent on the second anniversary of the grant date. The options expire ten years from the grant date. At June 30, 2013, the total remaining compensation cost to be recognized on non-vested options is approximately $543,000. A summary of the status of these stock option plans is presented in the following table:

10

CORNERSTONE BANCSHARES, INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Unaudited)

							Weighted-
							Average
				Weighted			Contractual
				Average			Remaining	Aggregate
				Exercisable			Term	Intrinsic
	Number			Price			(in years)	Value
Outstanding at December 31, 2012		670,300		$	3.86		6.2  Years	$	232,900
Granted		193,000			2.37		9.7 Years
Exercised		-			-
Forfeited		(57,475	)		(3.51	)
Outstanding at June 30, 2013		805,825		$	3.52		7.0 Years	$	185,370
Options exercisable at June 30, 2013		304,025		$	6.15

Board of Directors Plan-Cornerstone has a stock option plan under which members of the Board of Directors, at the formation of the Bank, were granted options to purchase a total of up to 600,000 shares of the Bank's common stock. On October 15, 1997, the Bank stock options were converted to Cornerstone stock options. Only non-qualified stock options may be granted under the plan. The exercise price of each option equals the market price of Cornerstone’s stock on the date of grant and the maximum term is ten years. Vesting is 50 percent on the first anniversary of the grant date and 100 percent on the second anniversary of the grant date. At June 30, 2013, the total remaining compensation cost to be recognized on non-vested options is approximately $105,000. A summary of the status of this stock option plan is presented in the following table:

					Weighted-
					Average
			Weighted		Contractual
			Average		Remaining	Aggregate
			Exercisable		Term	Intrinsic
	Number		Price		(in years)	Value
Outstanding at December 31, 2012		145,250	$	3.30	7.2 Years	$	57,600
Granted		45,000		2.37	9.7 Years
Exercised		-		-
Forfeited		-		-
Outstanding at June 30, 2013		190,250	$	3.08	7.4 Years	$	46,800
Options exercisable at June 30, 2013		100,250	$	4.04

The weighted average grant date fair value of all stock options granted during the six months ended June 30, 2013 was $1.17. This was determined using the Black-Scholes option-pricing model with the following weighted-average assumptions:

Dividend yield	0.0	%
Expected life	7.0 Years
Expected volatility	47.60	%
Risk-free interest rate	1.23	%

11

CORNERSTONE BANCSHARES, INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Unaudited)

Note 3. Securities

The amortized cost and fair value of securities available-for-sale and held-to-maturity at June 30, 2013 and December 31, 2012 are summarized as follows:

	June 30, 2013
			Gross		Gross
	Amortized		Unrealized		Unrealized			Fair
	Cost		Gains		Losses			Value
Debt securities available for sale:
U.S. Government agencies	$	3,862,322	$	55,138	$	-		$	3,917,460
State and municipal securities		16,589,144		830,170		(4,151	)		17,415,163
Mortgage-backed securities:
Residential mortgage loans guaranteed by GNMA or FNMA		8,025,705		149,580		(776	)		8,174,509
Collateralized mortgage obligations issued or guaranteed by U.S. Government agencies or sponsored agencies		70,490,078		75,033		(294,794	)		70,270,317
	$	98,967,249	$	1,109,921	$	(299,721	)	$	99,777,449
Debt securities held to maturity:
Mortgage-backed securities:
Residential mortgage loans guaranteed by GNMA or FNMA	$	40,014	$	1,151	$	-		$	41,165

12

CORNERSTONE BANCSHARES, INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Unaudited)

	December 31, 2012
			Gross		Gross
	Amortized		Unrealized		Unrealized			Fair
	Cost		Gains		Losses			Value
Debt securities available for sale:
U.S. Government agencies	$	3,961,956	$	56,195	$	-		$	4,018,151
State and municipal securities		21,531,727		2,101,590		-			23,633,317
Mortgage-backed securities:
Residential mortgage loans guaranteed by GNMA or FNMA		9,092,205		132,038		(1,824	)		9,222,419
Collateralized mortgage obligations issued or guaranteed by U.S. Government agencies or sponsored agencies		39,151,568		86,099		(14,908	)		39,222,759
	$	73,737,456	$	2,375,922	$	(16,732	)	$	76,096,646
Debt securities held to maturity:
Mortgage-backed securities:
Residential mortgage loans guaranteed by GNMA or FNMA	$	45,086	$	1,341	$	(8	)	$	46,212

At June 30, 2013, securities with a fair value totaling approximately $50 millionwere pledged to secure public funds, securities sold under agreements to repurchase, as collateral for federal funds purchased from other financial institutions and serve as collateral for borrowings at the Federal Reserve Discount Window.

For the quarter ended June 30, 2013, there were available for sale securities sold with proceeds totaling $5,328,170 which resulted in gross gains realized of $424,971. There were no securities sales during 2012.

The amortized cost and estimated market value of securities at June 30, 2013, by contractual maturity, are shown below. Expected maturities will differ from contractual maturities because borrowers may have the right to call or prepay obligations with or without call or prepayment penalties.

	Securities Available for Sale				Securities Held to Maturity
	Amortized		Fair		Amortized		Fair
	Cost		Value		Cost		Value
Due in one year or less	$	-	$	-	$	-	$	-
Due from one year to five years		1,267,705		1,344,690		-		-
Due from five years to ten years		6,038,433		6,394,571		-		-
Due after ten years		13,145,328		13,593,362		-		-
	$	20,451,466	$	21,332,623	$	-	$	-
Mortgage-backed securities		78,515,783		78,444,826		40,014		41,165
	$	98,967,249	$	99,777,449	$	40,014	$	41,165

13

CORNERSTONE BANCSHARES, INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Unaudited)

The following tables present the gross unrealized losses and fair value, aggregated by investment category and length of time that individual securities available for sale have been in a continuous unrealized loss position, as of June 30, 2013 and as of December 31, 2012:

	As of June 30, 2013
	Less than 12 Months					12 Months or Greater					Total
			Gross					Gross					Gross
	Fair		Unrealized			Fair		Unrealized			Fair		Unrealized
	Value		Losses			Value		Losses			Value		Losses
State and municipal securities	$	1,179,146	$	(3,454	)	$	570,530	$	(697	)	$	1,749,676	$	(4,151	)
Mortgage-backed securities:
Residential mortgage loans guaranteed by GNMA or FNMA		522,683		(776	)		-		-			522,683		(776	)
Collateralized mortgage obligations issued or guaranteed by U.S. Government agencies or sponsored agencies		33,398,941		(290,377	)		9,990,227		(4,417	)		43,389,168		(294,794	)
	$	35,100,770	$	(294,607	)	$	10,560,757	$	(5,114	)	$	45,661,527	$	(299,721	)
	As of December 31, 2012
	Less than 12 Months					12 Months or Greater					Total
			Gross					Gross					Gross
	Fair		Unrealized			Fair		Unrealized			Fair		Unrealized
	Value		Losses			Value		Losses			Value		Losses
Mortgage-backed securities:
Residential mortgage loans  guaranteed by GNMA or FNMA	$	667,325	$	(1,824	)	$	-	$	-		$	667,325	$	(1,824	)
Collateralized mortgage obligations issued or guaranteed by U.S. Government agencies or sponsored agencies		22,514,641		(14,908	)		-		-			22,514,641		(14,908	)
	$	23,181,966	$	(16,732	)	$	-	$	-		$	23,181,966	$	(16,732	)

14

CORNERSTONE BANCSHARES, INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Unaudited)

Upon acquisition of a security, the Bank determines the appropriate impairment model that is applicable.  If the security is a beneficial interest in securitized financial assets, the Bank uses the beneficial interests in securitized financial assets impairment model.  If the security is not a beneficial interest in securitized financial assets, the Bank uses the debt and equity securities impairment model.  The Bank conducts periodic reviews to evaluate each security to determine whether an other-than-temporary impairment has occurred.  The Bank does not have any securities that have been classified as other-than-temporarily-impaired at June 30, 2013 or December 31, 2012.

At June 30, 2013 and December 31, 2012, the significant categories of temporarily impaired securities and management’s evaluation of those securities are as follows:

State and municipal securities: At June 30, 2013, three investments in obligations of state and municipal securities had unrealized losses. The Bank believes the unrealized losses on those investments were caused by the interest rate environment and does not relate to the underlying credit quality of the issuers. Because the Bank has the intent and ability to hold those investments for a time necessary to recover their amortized cost bases, which may be until maturity, the Bank does not consider those investments to be other-than-temporarily impaired at June 30, 2013.

Mortgage-backed securities: At June 30, 2013, thirteen investments in residential mortgage-backed securities had unrealized losses.  This impairment is believed to be caused by the current interest rate environment.  The contractual cash flows of those investments are guaranteed or issued by an agency of the U.S. Government.  Because the decline in market value is attributable to the current interest rate environment and not credit quality, and because the Bank does not intend to sell the investments and it is not more likely than not that the Bank will be required to sell the investments before recovery of their amortized cost bases, which may be maturity, the Bank does not deem those investments to be other-than-temporarily impaired at June 30, 2013.

Note 4. Loans and Allowance for Loan Losses

At June 30, 2013 and December 31, 2012, loans are summarized as follows (in thousands):

	June 30,						December 31,
	2013			Percent			2012			Percent
Commercial real estate-mortgage:
Owner-occupied	$	60,725			22.00	%	$	58,425			21.09	%
All other		67,416			24.42	%		66,747			24.10	%
Consumer real estate-mortgage		67,345			24.39	%		71,195			25.70	%
Construction and land development		36,185			13.11	%		38,557			13.92	%
Commercial and industrial		42,374			15.35	%		40,140			14.49	%
Consumer and other		2,018			0.73	%		1,927			0.70	%
Total loans		276,063			100.00	%		276,991			100.00	%
Less: Allowance for loan losses		(5,095	)					(6,141	)
Loans, net	$	270,968					$	270,850

Cornerstone follows the loan impairment accounting guidance in ASC Topic 310. A loan is considered impaired when, based on current information and events, it is probable that Cornerstone will be unable to collect all amounts due from the borrower in accordance with the contractual terms of the loan. Impaired loans include nonperforming loans and loans modified in troubled debt restructurings where concessions have been granted to borrowers experiencing financial difficulties. These concessions could include a reduction in interest rates, payment extensions, forgiveness of principal, forbearance or other actions intended to maximize collections.

15

CORNERSTONE BANCSHARES, INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Unaudited)

The composition of loans by loan classification for impaired and performing loan status at June 30, 2013 and December 31, 2012, is summarized in the tables below (amounts in thousands):

June 30, 2013	Commercial		Consumer		Construction		Commercial
	Real Estate-		Real Estate-		and Land		and		Consumer
	Mortgage		Mortgage		Development		Industrial		and Other		Total
Performing loans	$	117,910	$	63,782	$	35,762	$	39,620	$	2,018	$	259,092
Impaired loans		10,231		3,563		423		2,754		-		16,971
Total	$	128,141	$	67,345	$	36,185	$	42,374	$	2,018	$	276,063

December 31, 2012	Commercial		Consumer		Construction		Commercial
	Real Estate-		Real Estate-		and Land		and		Consumer
	Mortgage		Mortgage		Development		Industrial		and Other		Total
Performing loans	$	115,959	$	69,329	$	37,607	$	36,980	$	1,927	$	261,802
Impaired loans		9,213		1,866		950		3,160		- .		15,189
Total	$	125,172	$	71,195	$	38,557	$	40,140	$	1,927	$	276,991

The following tables show the allowance for loan losses allocation by loan classification for impaired and performing loans as of June 30, 2013 and December 31, 2012 (amounts in thousands):

June 30, 2013	Commercial		Consumer		Construction		Commercial
	Real Estate-		Real Estate-		and Land		and		Consumer
Allowance related to:	Mortgage		Mortgage		Development		Industrial		and Other		Total
Performing loans	$	500	$	966	$	325	$	61	$	13	$	1,865
Impaired loans		2,573		280		-		377		-		3,230
Total	$	3,073	$	1,246	$	325	$	438	$	13	$	5,095

December 31, 2012	Commercial		Consumer		Construction		Commercial
	Real Estate-		Real Estate-		and Land		and		Consumer
Allowance related to:	Mortgage		Mortgage		Development		Industrial		and Other		Total
Performing loans	$	319	$	952	$	781	$	29	$	14	$	2,095
Impaired loans		2,230		576		460		780		-		4,046
Total	$	2,549	$	1,528	$	1,241	$	809	$	14	$	6,141

The following tables detail the changes in the allowance for loan losses for the six month period ending June 30, 2013 and year ending December 31, 2012, by loan classification (amounts in thousands):

June 30, 2013	Commercial			Consumer			Construction			Commercial
	Real Estate-			Real Estate-			and Land			and			Consumer
	Mortgage			Mortgage			Development			Industrial			and Other			Total
Beginning balance	$	2,549		$	1,528		$	1,241		$	809		$	14		$	6,141
Charged-off loans		(281	)		(640	)		(1,180	)		(341	)		(19	)		(2,461	)
Recovery of charge-offs		54			218			775			66			2			1,115
Provision for (reallocation of) loan losses		751			(140	)		(511	)		(96	)		16			300
Ending balance	$	3,073		$	1,246		$	325		$	438		$	13		$	5,095

16

CORNERSTONE BANCSHARES, INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Unaudited)

December 31, 2012	Commercial			Consumer			Construction			Commercial
	Real Estate-			Real Estate-			and Land			and			Consumer
	Mortgage			Mortgage			Development			Industrial			and Other			Total
Beginning balance	$	3,557		$	2,518		$	827		$	482		$	16		$	7,400
Charged-off loans		(958	)		(1,022	)		(782	)		(74	)		(33	)		(2,869	)
Recovery of charge-offs		838			36			145			144			17			1,180
Provision for (reallocation of)loan losses		(888	)		(4	)		1,051			257			14			430
Ending balance	$	2,549		$	1,528		$	1,241		$	809		$	14		$	6,141

Credit quality indicators:

Federal regulations require the Bank to review and classify its assets on a regular basis. To fulfill this requirement, the Bank systematically reviews its loan portfolio to ensure the Bank’s large loan relationships are being maintained within its loan policy guidelines, remains properly underwritten and is properly classified by loan grade. This review process is performed by the Bank's management, loan review, internal auditors and state and federal regulators.

The Bank’s loan grading process is as follows:

The Bank’s loan grading process is as follows:

§ All loans are assigned a loan grade at the time of origination by the relationship manager. Typically, a loan is assigned a loan grade of “pass” at origination.

§ Loan relationships greater than or equal to $500 thousand are reviewed by the Bank’s external loan review provider on an annual basis.

§ The Bank’s internal loan review department samples approximately 33 percent of all other loan relationships less than $500 thousand on an annual basis for review.

§ If a loan is delinquent 60 days or more or a pattern of delinquency exists, the loan will be selected for review.

§ Generally, all loans on the Bank’s internal watchlist are reviewed annually by internal loan review or external loan review providers.

If a loan is classified as a problem asset, it will be assigned one of the following loan grades: substandard, substandard-impaired, doubtful, and loss. “Substandard assets” must have one or more defined weaknesses and are characterized by the distinct possibility that we will sustain some loss if the deficiencies are not corrected. “Doubtful assets” have the weaknesses of substandard assets with the additional characteristic that the weaknesses make collection or liquidation in full on the basis of currently existing facts, conditions and values questionable, and there is a high possibility of loss. An asset classified “loss” is considered uncollectible and of such little value that continuance as an asset of the institution is not warranted. The regulations also provide for a “special mention” category, described as assets which do not currently expose an institution to a sufficient degree of risk to warrant classification but do possess credit deficiencies or potential weaknesses deserving close attention. When the Bank classifies an asset as substandard or doubtful, a specific allowance for loan losses may be established.

17

CORNERSTONE BANCSHARES, INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Unaudited)

The following tables outline the amount of each loan classification and the amount categorized into each risk rating as of June 30, 2013 and December 31, 2012 (amounts in thousands):

June 30, 2013	Commercial		Consumer		Construction		Commercial
	Real Estate-		Real Estate-		and Land		and		Consumer
	Mortgage		Mortgage		Development		Industrial		and Other		Total
Pass	$	115,228	$	54,884	$	35,213	$	35,050	$	2,018	$	242,393
Special mention		2,185		6,171		98		4,392		-		12,846
Substandard		497		2,727		451		178		-		3,853
Substandard-impaired		8,957		3,563		423		2,754		-		15,697
Doubtful		1,274		-		-		-		-		1,274
	$	128,141	$	67,345	$	36,185	$	42,374	$	2,018	$	276,063

December 31, 2012	Commercial		Consumer		Construction		Commercial
	Real Estate-		Real Estate-		and Land		And		Consumer
	Mortgage		Mortgage		Development		Industrial		and Other		Total
Pass	$	111,313	$	57,959	$	36,802	$	36,482	$	1,904	$	244,460
Special mention		4,145		8,401		198		330		18		13,092
Substandard		501		2,969		607		168		5		4,250
Substandard-impaired		9,213		1,866		950		3,160		-		15,189
	$	125,172	$	71,195	$	38,557	$	40,140	$	1,927	$	276,991

After the Bank’s independent loan review department completes the loan grade assignment, a loan impairment analysis is performed on loans graded substandard or worse. The following tables present summary information pertaining to impaired loans by loan classification as of June 30, 2013 and December 31, 2012 (in thousands):

							For the quarter ended
	At June 30, 2013						June 30, 2013
			Unpaid				Average		Interest
	Recorded		Principal		Related		Recorded		Income
	Investment		Balance		Allowance		Investment		Recognized
Impaired loans without a valuation allowance:
Commercial real estate – mortgage	$	5,324	$	5,390	$	-	$	4,719	$	148
Consumer real estate – mortgage		2,315		2,867		-		1,784		74
Construction and land development		423		436		-		379		8
Commercial and industrial		1,988		2,048		-		2,048		26
Total	$	10,050	$	10,741	$	-	$	8,930	$	256
Impaired loans with a valuation allowance:
Commercial real estate – mortgage	$	4,907	$	4,965	$	2,573	$	5,271	$	115
Consumer real estate – mortgage		1,248		1,248		280		1,182		47
Construction and land development		-		-		-		395		-
Commercial and industrial		766		767		377		853		40
Total	$	6,921	$	6,980	$	3,230	$	7,701	$	202
Total impaired loans	$	16,971	$	17,721	$	3,230	$	16,631	$	458

18

CORNERSTONE BANCSHARES, INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Unaudited)

							For the year ended
	At December 31, 2012						December 31, 2012
			Unpaid				Average		Interest
	Recorded		Principal		Related		Recorded		Income
	Investment		Balance		Allowance		Investment		Recognized
Impaired loans without a valuation allowance:
Commercial real estate – mortgage	$	3,406	$	3,453	$	-	$	4,389	$	180
Consumer real estate – mortgage		513		540		-		1,538		52
Construction and land development		244		251		-		358		19
Commercial and industrial		2,111		2,155		-		2,277		55
Total	$	6,274	$	6,399	$	-	$	8,562	$	306
Impaired loans with a valuation allowance:
Commercial real estate – mortgage	$	5,807	$	5,848	$	2,230	$	6,616	$	215
Consumer real estate – mortgage		1,353		1,353		576		2,606		61
Construction and land development		706		706		460		642		49
Commercial and industrial		1,049		1,049		780		700		132
Total	$	8,915	$	8,956	$	4,046	$	10,564	$	457
Total impaired loans	$	15,189	$	15,355	$	4,046	$	19,126	$	763

The following tables present an aged analysis of past due loans as of June 30, 2013 and December 31, 2012 (in thousands):

June 30, 2013	30-89 Days		Past Due 90
	Past Due and		Days or More				Total		Current		Total
	Accruing		and Accruing		Nonaccrual		Past Due		Loans		Loans
Commercial real estate-mortgage:
Owner-occupied	$	1,852	$	-	$	605	$	2,457	$	58,268	$	60,725
All other		1,501		-		2,419		3,920		63,496		67,416
Consumer real estate-mortgage		872		-		787		1,659		65,686		67,345
Construction and land development		113		-		45		158		36,027		36,185
Commercial and industrial		772		-		3,027		3,799		38,575		42,374
Consumer and other		1		-		-		1		2,017		2,018
Total	$	5,111	$	-	$	6,883	$	11,994	$	264,069	$	276,063

December 31, 2012	30-89 Days		Past Due 90
	Past Due and		Days or More				Total		Current		Total
	Accruing		and Accruing		Nonaccrual		Past Due		Loans		Loans
Commercial real estate-mortgage:
Owner-occupied	$	2,738	$	-	$	956	$	3,694	$	54,731	$	58,425
All other		636		-		1,913		2,549		64,198		66,747
Consumer real estate-mortgage		1,858		-		616		2,474		68,721		71,195
Construction and land development		100		-		53		153		38,404		38,557
Commercial and industrial		1,227		-		2,467		3,694		36,446		40,140
Consumer and other		35		-		-		35		1,892		1,927
Total	$	6,594	$	-	$	6,005	$	12,599	$	264,392	$	276,991

19

CORNERSTONE BANCSHARES, INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Unaudited)

Impaired loans also include loans that the Bank has elected to formally restructure when, due to the weakening credit status of a borrower, the restructuring may facilitate a repayment plan that seeks to minimize the potential losses that the Bank may have to otherwise incur. At June 30, 2013 and December 31, 2012, the Bank has loans of approximately $8,366,000 and $9,403,000, respectively, that were modified for troubled debt restructuring. Troubled commercial loans are restructured by specialists within our Special Asset department and all restructurings are approved by committees and credit officers separate and apart from the normal loan approval process. These specialists are trained to reduce the Bank’s overall risk and exposure to loss in the event of a restructuring through obtaining either or all of the following: improved documentation, additional guaranties, increase in curtailments, reduction in collateral terms, additional collateral or other similar strategies.

The following table presents a summary of loans that were modified as troubled debt restructurings during the six month period ending June 30, 2013 (amounts in thousands):

June 30, 2013			Pre-Modification		Post-Modification
			Outstanding Recorded		Outstanding Recorded
	Number of Contracts		Investment		Investment
Commercial real estate-mortgage		2	$	555	$	555
Consumer real estate-mortgage		1		66		66
Construction and land development		3		898		898
Commercial and industrial		3		2,389		2,389
June 30, 2012			Pre-Modification		Post-Modification
			Outstanding Recorded		Outstanding Recorded
	Number of Contracts		Investment		Investment
Consumer real estate-mortgage		1	$	65	$	65
Construction and land development		3		1,178		1,178
Commercial and industrial		3		2,389		2,389

There were no loans that were modified as troubled debt restructurings during the past twelve months and for which there was a subsequent payment default.

Note 5. Commitments and Contingent Liabilities

Off Balance Sheet Arrangements - In the normal course of business, the Bank has entered into off-balance sheet financial instruments which include commitments to extend credit (i.e., including unfunded lines of credit) and standby letters of credit. Commitments to extend credit are usually the result of lines of credit granted to existing borrowers under agreements that the total outstanding indebtedness will not exceed a specific amount during the term of the indebtedness. Typical borrowers are commercial concerns that use lines of credit to supplement their treasury management functions; thus their total outstanding indebtedness may fluctuate during any time period based on the seasonality of their business and the resultant timing of their cash flows. Other typical lines of credit are related to home equity loans granted to consumers. Commitments to extend credit generally have fixed expiration dates or other termination clauses and may require payment of a fee.

20

CORNERSTONE BANCSHARES, INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Unaudited)

Standby letters of credit are generally issued on behalf of an applicant (our customer) to a specifically named beneficiary and are the result of a particular business arrangement that exists between the applicant and the beneficiary. Standby letters of credit have fixed expiration dates and are usually for terms of two years or less unless terminated beforehand due to criteria specified in the standby letter of credit. A typical arrangement involves the applicant routinely being indebted to the beneficiary for such items as inventory purchases, insurance, utilities, lease guarantees or other third party

commercial transactions. The standby letter of credit would permit the beneficiary to obtain payment from the Bank under certain prescribed circumstances. Subsequently, the Bank would seek reimbursement from the applicant pursuant to the terms of the standby letter of credit.

The Bank follows the same credit policies and underwriting practices when making these commitments as it does for on-balance sheet instruments. Each customer’s creditworthiness is evaluated on a case-by-case basis, and the amount of collateral obtained, if any, is based on management’s credit evaluation of the customer. Collateral held varies but may include cash, real estate and improvements, marketable securities, accounts receivable, inventory, equipment and personal property.

The contractual amounts of these commitments are not reflected in the consolidated financial statements and would only be reflected if drawn upon. Since many of the commitments are expected to expire without being drawn upon, the contractual amounts do not necessarily represent future cash requirements. However, should the commitments be drawn upon and should customers default on their resulting obligation to, the Bank’s maximum exposure to credit loss, without consideration of collateral, is represented by the contractual amount of those instruments.

A summary of the Bank’s total contractual amount for all off-balance sheet commitments at June 30, 2013 is as follows:

Commitments to extend credit	$31.4 million
Standby letters of credit	$205 thousand

Various legal claims also arise from time to time in the normal course of business. In the opinion of management, the resolution of claims outstanding at June 30, 2013 will not have a material effect on Cornerstone’s consolidated financial statements.

Note 6. Fair Value Disclosures

Fair Value Measurements:

Cornerstone uses fair value measurements to record fair value adjustments to certain assets and liabilities and to determine fair value disclosures. In accordance with the “Fair Value Measurements and Disclosure” ASC Topic 820, the fair value of a financial instrument is the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date. Fair value is best determined based upon quoted market prices. In cases where quoted market prices are not available, fair values are based on estimates using present value or other valuation techniques. Those techniques are significantly affected by the assumptions used, including the discount rate and estimates of future cash flows. Accordingly, the fair value estimates may not be realized in an immediate settlement of the instrument.

ASC Topic 820 provides a consistent definition of fair value, which focuses on exit price in an orderly transaction between market participants at the measurement date under current market conditions. If there has been a significant decrease in the volume and level of activity for the asset or liability, a change in valuation technique or the use of multiple valuation techniques may be appropriate. In such instances, determining the price at which willing market participants would transact at the measurement date under current market conditions depends on the facts and circumstances and requires the use of significant judgment. The fair value is a reasonable point within the range that is most representative of fair value under current market conditions.

ASC Topic 820 also establishes a three-tier fair value hierarchy which requires an entity to maximize the use of observable inputs and minimize the use of unobservable inputs when measuring fair value, as follows:

Level 1 - Quoted prices (unadjusted) in active markets for identical assets or liabilities that Cornerstone has the ability to access.

21

CORNERSTONE BANCSHARES, INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Unaudited)

Level 2 - Significant other observable inputs other than Level 1 prices, such as quoted prices for similar assets or liabilities in active markets, quoted prices in markets that are not active and other inputs that are observable or can be corroborated by observable market data.

Level 3 - Significant unobservable inputs that reflect a company’s own assumptions about the assumptions that market participants would use in pricing an asset or liability.

A financial instrument’s categorization within the valuation hierarchy is based upon the lowest level of input that is significant to the fair value measurement.

The following methods and assumptions were used by Cornerstone in estimating fair value disclosures for financial instruments. There have been no changes in the methodologies used at June 30, 2013 and December 31, 2012.

Cash and cash equivalents:

The carrying amounts of cash and cash equivalents approximate fair values based on the short-term nature of the assets.

Securities:

Fair values are estimated using pricing models and discounted cash flows that consider standard input factors such as observable market data, benchmark yields, interest rate volatilities, broker/dealer quotes, and credit spreads. Securities classified as available for sale are reported at fair value utilizing Level 2 inputs.

The carrying value of Federal Home Loan Bank stock approximates fair value based on the redemption provisions of the Federal Home Loan Bank.

Loans:

For variable-rate loans that reprice frequently and with no significant change in credit risk, fair values are based on carrying values. Fair values for fixed-rate loans are estimated using discounted cash flow analysis, using market interest rates for comparable loans. Generally, Level 3 inputs are utilized for this estimate. Loans for which it is probable that payment of interest and principal will not be made in accordance with the contractual terms of the loan agreement are considered impaired. Once a loan is identified as individually impaired, management measures impairment in accordance with ASC Topic 310, Accounting by Creditors for Impairment of a Loan. The fair value of impaired loans is estimated using several methods including collateral value, liquidation value and discounted cash flows.

Those impaired loans not requiring an allowance represent loans for which the fair value of the expected repayments or collateral exceed the recorded investments in such loans. At June 30, 2013 and December 31, 2012, substantially all of the total impaired loans were evaluated based on the fair value of collateral. In accordance with ASC Topic 820, impaired loans where an allowance is established based on the fair value of collateral require classification in the fair value hierarchy. When the fair value of the collateral is based on an observable market price or a current appraised value, Cornerstone records the impaired loan as nonrecurring Level 2. When an appraised value is not available or management determines the fair value of the collateral is further impaired below the appraised value and there is no observable market price, Cornerstone records the impaired loan as nonrecurring Level 3.

Cash surrender value of life insurance:

The carrying amounts of cash surrender value of life insurance approximate their fair value. The carrying amount is based on information received from the insurance carriers indicating the financial performance of the policies and the amount Cornerstone would receive should the policies be surrendered. Cornerstone reflects these assets within Level 2 of the valuation hierarchy.

Foreclosed assets:

Foreclosed assets, consisting of properties obtained through foreclosure or in satisfaction of loans, are initially recorded at fair value, determined on the basis of current appraisals, comparable sales, and other estimates of value obtained principally from independent sources, adjusted for estimated selling costs. At the time of foreclosure, any excess of the loan balance over the fair value of the real estate held as collateral is treated as a charge against the allowance for loan losses. Gains or losses on sale and any subsequent adjustment to the fair value are recorded as a component of foreclosed real estate expense. Foreclosed assets are included in Level 2 of the valuation hierarchy.

22

CORNERSTONE BANCSHARES, INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Unaudited)

Deposits:

The fair value of deposits with no stated maturity, such as noninterest-bearing and interest-bearing demand deposits, savings deposits, and money market accounts, is equal to the amount payable on demand at the reporting date. The carrying amounts of variable-rate, fixed-term certificates of deposit approximate their fair values at the reporting date. Fair values for fixed-rate certificates of deposit are estimated using a discounted cash flow calculation that applies market interest rates on comparable instruments to a schedule of aggregated expected monthly maturities on time deposits. Generally, Level 3 inputs are utilized in this estimate.

Securities sold under agreements to repurchase:

The carrying amount of these liabilities approximates their estimated fair value.

Federal Home Loan Bank advances and other borrowings:

The carrying amounts of FHLB advances and other borrowings approximate their fair value.

Accrued interest:

The carrying amounts of accrued interest approximate fair value.

Commitments to extend credit, letters of credit and lines of credit:

The fair value of commitments is estimated using the fees currently charged to enter into similar agreements, taking into account the remaining terms of the agreements and the present creditworthiness of the counterparties. For fixed-rate loan commitments, fair value also considers the difference between current levels of interest rates and the committed rates.

Assets and liabilities recorded at fair value on a recurring basis are as follows.

			Quoted Prices in		Significant		Significant
			Active Markets		Other		Other
	Balance as of		for Identical		Observable		Unobservable
	June 30,		Assets		Inputs		Inputs
	2013		(Level 1)		(Level 2)		(Level 3)
Debt securities available for sale:
U.S. Government agencies	$	3,917,460	$	-	$	3,917,460	$	-
State and municipal securities		17,415,163		-		17,415,163		-
Mortgage-backed securities:
Residential mortgage loans guaranteed by GNMA or FNMA		8,174,509		-		8,174,509		-
Collateralized mortgage obligations issued or guaranteed by U.S. Government agencies or sponsored agencies		70,270,317		-		70,270,317		-
Total securities  available for sale	$	99,777,449	$	-	$	99,777,449	$	-
Cash surrender value of life insurance	$	1,216,200	$	-	$	1,216,200	$	-

23

CORNERSTONE BANCSHARES, INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Unaudited)

			Quoted Prices in		Significant		Significant
			Active Markets		Other		Other
	Balance as of		for Identical		Observable		Unobservable
	December 31,		Assets		Inputs		Inputs
	2012		(Level 1)		(Level 2)		(Level 3)
Debt securities available for sale:
U.S. Government agencies	$	4,018,151	$	-	$	4,018,151	$	-
State and municipal securities		23,633,317		-		23,633,317		-
Mortgage-backed securities:
Residential mortgage loans guaranteed by GNMA or FNMA		9,222,419		-		9,222,419		-
Collateralized mortgage obligations issued or guaranteed by U.S. Government agencies or sponsored agencies		39,222,759		-		39,222,759		-
Total securities  available for sale	$	76,096,646	$	-	$	76,096,646	$	-
Cash surrender value of life insurance	$	1,199,725	$	-	$	1,199,725	$	-

Cornerstone has no assets or liabilities whose fair values are measured on a recurring basis using Level 3 inputs.

Certain assets and liabilities are measured at fair value on a nonrecurring basis, which means the assets and liabilities are not measured at fair value on an ongoing basis but are subject to fair value adjustments in certain circumstances (for example, when there is evidence of impairment). The tables below present information about assets and liabilities on the balance sheet at June 30, 2013 and December 31, 2012 for which a nonrecurring change in fair value was recorded (amounts in thousands).

			Quoted Prices in		Significant		Significant
			Active Markets		Other		Other
	Balance as of		for Identical		Observable		Unobservable
	June 30,		Assets		Inputs		Inputs
	2013		(Level 1)		(Level 2)		(Level 3)
Impaired loans	$	3,691	$	-	$	3,691	$	-
Foreclosed assets (OREO & Repossessions)		18,867		-		18,867		-
			Quoted Prices in		Significant		Significant
			Active Markets		Other		Other
	Balance as of		for Identical		Observable		Unobservable
	December 31,		Assets		Inputs		Inputs
	2012		(Level 1)		(Level 2)		(Level 3)
Impaired loans	$	4,869	$	-	$	4,869	$	-
Foreclosed assets (OREO & Repossessions)		20,332		-		20,332		-

Loans include impaired loans held for investment for which an allowance for loan losses has been calculated based upon the fair value of the loans at June 30, 2013 and December 31, 2012. Losses derived from Level 2 inputs were calculated by models incorporating significant observable market data.

24

CORNERSTONE BANCSHARES, INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Unaudited)

The carrying amount and estimated fair value of Cornerstone's financial instruments at June 30, 2013 and December 31, 2012 are as follows (in thousands):

	June 30, 2013				December 31, 2012
	Carrying		Estimated		Carrying		Estimated
	Amount		Fair Value		Amount		Fair Value
Assets:
Cash and cash equivalents	$	28,701	$	28,701	$	59,395	$	59,395
Securities		99,817		99,816		76,142		76,143
Federal Home Loan Bank stock		2,323		2,323		2,323		2,323
Loans, net		270,968		270,959		270,850		271,128
Cash surrender value of life insurance		1,216		1,216		1,200		1,200
Accrued interest receivable		1,153		1,153		1,214		1,214
Liabilities:
Noninterest-bearing demand deposits		60,094		60,094		60,054		60,054
Interest-bearing demand deposits		24,614		24,614		30,179		30,179
Savings deposits and money market  accounts		90,453		90,453		80,994		80,994
Time deposits		164,038		164,365		173,654		175,177
Federal funds purchased and securities sold under agreements to repurchase		22,907		22,907		19,587		19,587
Federal Home Loan Bank advances and other borrowings		31,740		31,740		37,175		37,175
Accrued interest payable		93		93		121		121
Unrecognized financial instruments (net of contract amount):
Commitments to extend credit		-		-		-		-
Letters of credit		-		-		-		-
Lines of credit		-		-		-		-

25

Cornerstone Bancshares, Inc. and Subsidiary

Net Interest Margin Analysis

Taxable Equivalent Basis

	Three months ended
	June 30
	2013								2012
	Average			Income/		Yield/			Average			Income/		Yield/
(Amounts in thousands)	Balance			Expense		Rate			Balance			Expense		Rate
Assets
Earning assets:
Loans, net of unearned income	$	272,718		$	4,079		6.00	%	$	262,598		$	4,186		6.39	%
Investment securities		102,164			482		2.13	%		94,949			618		2.91	%
Other earning assets		20,635			15		0.28	%		23,084			13		0.23	%
Total earning assets		395,517		$	4,576		4.70	%		380,631		$	4,817		5.15	%
Allowance for loan losses		(5,315	)							(6,028	)
Cash and other assets		39,994								37,702
TOTAL ASSETS	$	430,196							$	412,305
Liabilities and Shareholders' Equity
Interest-bearing liabilities:
Interest-bearing demand deposits	$	25,640		$	16		0.24	%	$	28,332		$	23		0.33	%
Savings deposits		12,214			8		0.25	%		10,387			9		0.36	%
MMDA's		77,206			108		0.56	%		46,639			101		0.87	%
Time deposits		167,078			455		1.09	%		189,169			635		1.35	%
Federal funds purchased and securities sold under agreements to repurchase		20,752			17		0.32	%		21,198			23		0.44	%
Federal Home Loan Bank and other borrowings		31,740			316		3.99	%		40,028			426		4.27	%
Total interest-bearing liabilities		334,630			920		1.10	%		335,751			1,217		1.45	%
Net interest spread				$	3,657		3.60	%				$	3,600		3.70	%
Noninterest-bearing demand deposits		52,401								40,829
Accrued expenses and other liabilities		2,100								(698	)
Shareholders' equity		41,065								36,423
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	$	430,196							$	412,305
Net yield on earning assets							3.77	%							3.87	%
Taxable equivalent adjustment:
Loans					0								0
Investment securities					60								71
Total adjustment					60								71

26

Cornerstone Bancshares, Inc. and Subsidiary

Net Interest Margin Analysis

Taxable Equivalent Basis

	Six months ended
	June 30
	2013								2012
	Average			Income/		Yield/			Average			Income/		Yield/
(Amounts in thousands)	Balance			Expense		Rate			Balance			Expense		Rate
Assets
Earning assets:
Loans, net of unearned income	$	274,199		$	8,221		6.05	%	$	264,205		$	8,330		6.36	%
Investment securities		94,495			922		2.27	%		91,795			1,085		2.70	%
Other earning assets		26,668			36		0.27	%		24,913			28		0.23	%
Total earning assets		395,362		$	9,179		4.75	%		380,913		$	9,443		5.07	%
Allowance for loan losses		(5,622	)							(6,574	)
Cash and other assets		38,781								36,169
TOTAL ASSETS	$	428,521							$	410,508
Liabilities and Shareholders' Equity
Interest-bearing liabilities:
Interest-bearing demand deposits	$	27,031		$	35		0.26	%	$	26,611		$	44		0.33	%
Savings deposits		11,919			15		0.25	%		10,123			19		0.38	%
MMDA's		75,719			219		0.58	%		43,006			192		0.90	%
Time deposits		167,919			921		1.11	%		192,139			1,334		1.40	%
Federal funds purchased and securities sold under agreements to repurchase		20,920			35		0.34	%		23,744			55		0.47	%
Federal Home Loan Bank and other borrowings		32,224			656		4.11	%		41,331			887		4.33	%
Total interest-bearing liabilities		335,732			1,881		1.13	%		336,954			2,532		1.52	%
Net interest spread				$	7,298		3.62	%				$	6,912		3.56	%
Noninterest-bearing demand deposits		49,632								37,654
Accrued expenses and other liabilities		2,058								(105	)
Shareholders' equity		41,099								36,005
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	$	428,521							$	410,508
Net yield on earning assets							3.79	%							3.73	%
Taxable equivalent adjustment:
Loans					0								0
Investment securities					142								142
Total adjustment					142								142

27

ITEM 2. MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

Cornerstone is a bank holding company and the parent company of the Bank, a Tennessee banking corporation which operates primarily in and around Chattanooga, Tennessee. The Bank has five full-service banking offices located in Hamilton County, Tennessee, and one loan production office located in Dalton, Georgia. The Bank’s business consists primarily of attracting deposits from the general public and, with these and other funds, originating real estate loans, consumer loans, business loans, and residential and commercial construction loans. The principal sources of income for the Bank are interest and fees collected on loans, fees collected on deposit accounts, and interest and dividends collected on other investments. The principal expenses of the Bank are interest paid on deposits, employee compensation and benefits, office expenses, and other overhead expenses.

The following is a discussion of Cornerstone’s financial condition at June 30, 2013 and December 31, 2012 and our results of operations for the three and six months ended June 30, 2013 and 2012. The purpose of this discussion is to focus on information about Cornerstone’s financial condition and results of operations which is not otherwise apparent from the consolidated financial statements. The following discussion and analysis should be read along with Cornerstone’s consolidated financial statements and the related notes included elsewhere herein.

Critical Accounting Policies

Cornerstone’s accounting and reporting policies are in accordance with accounting principles generally accepted in the United States of America and conform to general practices within the banking industry. Our significant accounting policies are described in Note 1, Presentation of Financial Information to the consolidated financial statements and are integral to understanding the MD&A. Critical accounting policies include the initial adoption of an accounting policy that has a material impact on our financial presentation as well as accounting estimates reflected in our financial statements that require us to make estimates and assumptions about matters that were highly uncertain at the time. Disclosure about critical estimates is required if different estimates that Cornerstone reasonably could have used in the current period would have a material impact on the presentation of our financial condition, changes in financial condition or results of operations. The following is a description of our critical accounting policies.

Allowance for Loan Losses

The allowance for loan losses is established and maintained at levels management deems adequate to absorb credit losses inherent in the portfolio as of the balance sheet date. The allowance is increased through the provision for loan losses and reduced through loan charge-offs, net of recoveries. The level of the allowance is based on known and inherent risks in the portfolio, past loan loss experience, underlying estimated values of collateral securing loans, current economic conditions and other factors as well as the level of specific impairments associated with impaired loans. This process involves our analysis of complex internal and external variables and it requires that management exercise judgment to estimate an appropriate allowance.

Changes in the financial condition of individual borrowers, economic conditions or changes to our estimated risks could require us to significantly decrease or increase the level of the allowance. Such a change could materially impact Cornerstone’s net income as a result of the change in the provision for loan losses. Refer to Notes 1 and 4 in the notes to Cornerstone’s consolidated financial statements for a discussion of Cornerstone’s methodology of establishing the allowance.

Estimates of Fair Value

Fair value is used on a recurring basis for certain assets and liabilities in which fair value is the primary basis of accounting. Cornerstone’s available for sale securities and cash surrender value of life insurance are measured at fair value on a recurring basis. Additionally, fair value is used to measure certain assets and liabilities on a nonrecurring basis. Cornerstone uses fair value on a nonrecurring basis for foreclosed assets and collateral associated with impaired collateral-dependent loans. Fair value is also used in certain impairment valuations, including assessments of goodwill, other intangible assets and long-lived assets.

28

Fair value is the price that could be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants. Estimating fair value in accordance with applicable accounting guidance requires that Cornerstone make a number of significant judgments. Accounting guidance provides three levels of fair value. Level 1 fair value refers to observable market prices for identical assets or liabilities. Level 2 fair value refers to similar assets or liabilities with observable market data. Level 3 fair value refers to assets and liabilities where market prices are unavailable or impracticable to obtain for similar assets or liabilities. Level 3 valuations require modeling techniques, such as discounted cash flow analyses. These modeling techniques incorporate Cornerstone’s assessments regarding assumptions that market participants would use in pricing the asset or the liability.

Changes in fair value could materially impact our financial results. Refer to Note 6, “Fair Value Disclosures,” in the notes to Cornerstone’s consolidated financial statements for a discussion of the methodology in calculating fair value.

Income Taxes

Cornerstone is subject to various taxing jurisdictions where Cornerstone conducts business. Cornerstone estimates income tax expense based on amounts expected to be owed to these jurisdictions. Cornerstone evaluates the reasonableness of our effective tax rate based on a current estimate of annual net income, tax credits, non-taxable income, non-deductible expenses and the applicable statutory tax rates. The estimated income tax expense or benefit is reported in the consolidated statements of income.

The accrued tax liability or receivable represents the net estimated amount due or to be received from tax jurisdictions either currently or in the future and are reported in other liabilities or other assets, respectively, in Cornerstone’s consolidated balance sheets. Cornerstone assesses the appropriate tax treatment of transactions and filing positions after considering statutes, regulations, judicial precedent and other pertinent information and maintains tax accruals consistent with management’s evaluation. Changes in the estimate of accrued taxes occur periodically due to changes in tax rates, interpretations of tax laws, the status of examinations by tax authorities and newly enacted statutory, judicial and regulatory guidance that could impact the relative merits of tax positions. These changes, if or when they occur, could impact accrued taxes and future tax expense and could materially affect our financial results.

Cornerstone periodically evaluates uncertain tax positions and estimates the appropriate level of tax reserves related to each of these positions. Additionally, Cornerstone evaluates its deferred tax assets for possible valuation allowances based on the amounts expected to be realized. The evaluation of uncertain tax positions and deferred tax assets involves a high degree of judgment and subjectivity. Changes in the results of these evaluations could have a material impact on our financial results. Refer to Note 9, “Income Taxes,” in the notes to Cornerstone’s consolidated financial statements set forth in its Annual Report on Form 10-K for the year ended December 31, 2012 for more information.

Review of Financial Performance

As of June 30, 2013, Cornerstone had total consolidated assets of approximately $435 million, total loans of approximately $276 million, total securities of approximately $100 million, total deposits of approximately $339 million and stockholders’ equity of approximately $40 million. Net income for the three and six month period ended June 30, 2013 totaled $396,031 and $848,159 respectively.

Results of Operations

Net income for the three months ended June 30, 2013 was $396,031 or $0.00 basic earnings per common share, compared to a net income of $310,585 or $0.00 basic earnings per common share, for the same period in 2012. Net income for the six months ended June 30, 2013 was $848,159 or $0.01 basic earnings per common share, compared to a net income of $667,102 or $0.01 basic earnings per common share, for the same period in 2012.

29

The following table presents our results for the three and six months ended June 30, 2013 compared to the three and six months ended June 30, 2012 (amounts in thousands).

					2013-2012										2013-2012
	Three months				Percent			Dollar			Six months				Percent			Dollar
	ended June 30,				Increase			Amount			ended June 30,				Increase			Amount
	2013		2012		(Decrease)			Change			2013		2012		(Decrease)			Change
Interest income	$	4,576	$	4,817		(5.00	)%	$	(241	)	$	9,179	$	9,443		(2.80	)%	$	(264	)
Interest expense		919		1,217		(24.49	)%		(298	)		1,881		2,531		(25.68	)%		(650	)
Net interest income before provision for loan loss		3,657		3,600		1.58	%		57			7,298		6,912		5.58	%		386
Provision for loan loss		-		-		-			-			300		-		-			300
Net interest income after provision for loan loss		3,657		3,600		1.58	%		57			6,998		6,912		1.24	%		86
Total noninterest income		697		252		176.59	%		445			1,053		519		102.89	%		534
Total noninterest expense		3,702		3,423		8.15	%		279			6,678		6,497		2.79	%		181
Income before income taxes		652		429		51.98	%		223			1,373		934		47.00	%		439
Provision for income taxes		256		118		116.95	%		138			525		267		96.63	%		258
Net income	$	396	$	311		27.33	%	$	85		$	848	$	667		27.14	%	$	181

    Net Interest Income-Net interest income represents the amount by which interest earned on various earning assets exceeds interest paid on deposits and other interest-bearing liabilities. Net interest income is also the most significant component of our earnings. For the three months ended June 30, 2013, net interest income before the provision for loan loss increased approximately $57 thousand or 1.58 percent over the same period of 2012. For the six months ended June 30, 2013, net interest income before the provision for loan loss increased $386 thousand or 5.58 percent.

Cornerstone’s interest rate spread on a tax equivalent basis (which is the difference between the average yield on earning assets and the average rate paid on interest-bearing liabilities) was 3.60 percent compared to 3.70 percent for the three month periods ended June 30, 2013 and 2012, respectively. The interest rate spread on a tax equivalent basis was 3.62 percent compared to 3.56 percent for the six month periods ended June 30, 2013 and 2012, respectively.

The net interest margin on a tax equivalent basis was 3.77 percent and 3.87 percent for the three months ending June 30, 2013 and 2012, respectively. The net interest margin on a tax equivalent basis was 3.79 percent and 3.73 percent for the six months ending June 30, 2013 and 2012, respectively.

Significant items related to the changes in net interest income, net interest yields and rates, and net interest margin are presented below:

The Bank’s net interest income as of June 30, 2013 has been positively impacted by a reduction in cost of funds. The cost of funds reduction was the result of a decrease in interest rates paid by the Bank and a change in the deposit mix with customers choosing to place deposits in transactional accounts rather than certificates of deposit. The Bank’s cost of funds was approximately $900 thousand for the three months ended June 30, 2013 compared to $1.2 million during the same time period in 2012.

The Bank’s loan portfolio yield decreased to 6.00 percent for the three months ended June 30, 2013 compared to 6.39 percent for the three months ended June 30, 2012. Management believes the interest rates on loans will continue to decrease as the Bank attempts to increase its outstanding loan balances in a very competitive market. If management is successful in increasing the amount of outstanding loans, the resulting change in asset mix would increase the Bank’s total interest income.

30

For the three month period ended June 30, 2013, the Bank’s investment portfolio yielded 2.13 percent compared to 2.91 percent for the same time period in 2012. The decrease in the investment portfolio yield was due to the liquidation of approximately $5 million municipal securities during the second quarter of 2013 combined with an increase in variable interest rate mortgage-backed securities.

The Bank’s net interest margin for the three month period ending June 30, 2012 compared to June 30, 2013 decreased by 10 basis points. The primary reason for the decline resulted from the decrease in loan and security yield. The Bank expects the net interest margin to slightly improve as the Bank continues to reduce its cost of funds.

Provision for Loan Losses-The provision for loan losses represents a charge to earnings necessary to establish an allowance for loan losses that, in management’s evaluation, should be adequate to provide coverage for the inherent losses on outstanding loans. Cornerstone did not record additional loan loss expense during the second quarter of 2013. For the year, Cornerstone has recorded $300,000 on provision for loan losses. The primary reason for the lack of provision expense during the second quarter of 2013 is the amount of loan loss recoveries that were recorded from previous loans that were charged-off.

Noninterest Income-Items reported as noninterest income include service charges on checking accounts, insufficient funds charges, automated clearing house (“ACH”) processing fees and the Bank’s secondary mortgage department earnings. Increases in income derived from service charges and ACH fees are primarily a function of the Bank’s growth while fees from the origination of mortgage loans will often reflect market conditions and fluctuate from period to period.

The following table presents the components of noninterest income for the three and six months ended June 30, 2013 and 2012 (dollars in thousands):

					2013-2012							2013-2012
	Three months ended				Percent			Six months ended				Percent
	June 30,				Increase			June 30,				Increase
	2013		2012		(Decrease)			2013		2012		(Decrease)
Service charges on deposit accounts	$	201	$	207		(2.90	)%	$	390	$	404		(3.47	)%
Net gains on sale of securities		425		-		-			425		-		-
Net gains / (losses) on sale of loans and other assets		52		26		100.00	%		202		76		165.79	%
Other noninterest income		19		19		0.00	%		36		39		(7.69	)%
Total noninterest income	$	697	$	252		176.59	%	$	1,053	$	519		102.89	%

Significant matters relating to the changes in noninterest income are presented below:

The Bank has experienced a decrease in its service charges on deposit accounts during 2013 due to a continued reduction in customer overdraft charges.

The Bank realized a $425 thousand security gain on the liquidation of approximately $5 million in municipal bond securities during the second quarter of 2013. The Bank chose to liquidate the securities to offset increased foreclosed asset expense during the quarter.

31

Noninterest Expense-Items reported as noninterest expense include salaries and employee benefits, occupancy and equipment expense, depository insurance, net foreclosed assets expense and other operating expense.

The following table presents the components of noninterest expense for the three and six months ended June 30, 2013 and 2012 (dollars in thousands).

					2013-2012							2013-2012
	Three months ended				Percent			Six months ended				Percent
	June 30,				Increase			June 30,				Increase
	2013		2012		(Decrease)			2013		2012		(Decrease)
Salaries and employee benefits	$	1,623	$	1,570		3.38	%	$	3,220	$	3,161		1.87	%
Occupancy and equipment expense		340		348		(2.30	)%		678		684		(0.88	)%
Foreclosed asset expense, net		798		481		65.90	%		927		631		46.91	%
FDIC depository insurance		161		207		(22.22	)%		321		419		(21.52	)%
Other operating expense		780		818		(4.65	)%		1,532		1,612		(4.96	)%
Total noninterest expense	$	3,702	$	3,424		8.12	%	$	6,678	$	6,497		2.79	%

Significant matters relating to the changes to noninterest expense are presented below:

Cornerstone’s employee expense increased slightly when comparing both the three and six months ended June 30, 2012 and June 30, 2013. The increase is primarily attributable to an increase in the Bank’s employee performance incentive compensation accrual. Management has elected to maintain consistent salary levels as the Bank continues to improve its earnings. The incentive compensation is distributed to employees during the fourth quarter of each year if the Bank achieves certain annual performance goals.

As of June 30, 2013, the Bank had incurred approximately $798 thousand in foreclosed assets expense. The expense consists of asset write-downs based upon current appraisals, carrying cost and losses on the sale of foreclosed assets. Management, in its financial reporting, nets the foreclosed assets expense and write-downs against the revenue generated from income producing real estate. As of December 31, 2012, the Bank had recorded approximately $1.1 million in net foreclosed asset expense. Management anticipates foreclosed asset expense will be slightly higher than the amount recorded during 2012 as the Bank continues to dispose of these assets.

Depository insurance during the second quarter decreased from approximately $207 thousand as of June 30, 2012 to approximately $161 thousand as of June 30, 2013. Management anticipates the FDIC expense to reduce further as the Bank’s regulatory status improves.

The Bank has been able to reduce other operating expense for the three and six months ended June 30, 2012 and June 30, 2013. Management has reviewed its operating cost structure each year to determine if costs can be reduced further.

Financial Condition

Overview-Cornerstone’s consolidated assets totaled approximately $443 million as of December 31, 2012. As of June 30, 2013, total consolidated assets had decreased approximately $8.1 million or 1.8 percent to approximately $435 million.

Liabilities as of June 30, 2013 and December 31, 2012 totaled approximately $395 million and $403 million, respectively.

Stockholders’ equity as of June 30, 2013 and December 31, 2012 totaled approximately $40 million and $41 million, respectively.

Securities-The Bank’s investment portfolio, primarily consisting of Ginnie Mae Agency, mortgage-backed securities and municipal securities, amounted to approximately $100 million as of June 30, 2013 compared to approximately $76 million as of December 31, 2012. The primary purposes of the Bank’s investment portfolio are to provide liquidity, satisfy pledging requirements and collateralize the Bank’s repurchase accounts.

32

Loans-The composition of loans at June 30, 2013 and at December 31, 2012 of each classification to total loans are summarized in the following table (dollars in thousands):

	June 30,			December 31,
	2013			2012
Commercial real estate-mortgage:
Owner-occupied	$	60,725		$	58,425
All other		67,416			66,747
Consumer real estate-mortgage		67,345			71,195
Construction and land development		36,185			38,557
Commercial and industrial		42,374			40,140
Consumer and other		2,018			1,927
Total loans		276,063			276,991
Less: Allowance for loan losses		(5,095	)		(6,141	)
Loans, net	$	270,968		$	270,850

Allowance for Loan Losses-The allowance for loan losses represents Cornerstone’s assessment of the risks associated with extending credit and its evaluation of the quality of the loan portfolio. Management analyzes the loan portfolio, quarterly, to determine the adequacy of the allowance for loan losses and the appropriate provisions required to maintain a level considered adequate to absorb anticipated loan losses. The Bank uses a risk based approach to calculate the appropriate loan loss allowance in accordance with guidance issued by the Federal Financial Institutions Examination Council. Although the Bank performs prudent credit underwriting, no assurances can be given that adverse economic circumstances will not result in increased losses in the loan portfolio and require greater provisions for possible loan losses in the future.

During the second quarter of 2013, the Bank did not record a provision expense to the loan loss allowance. Management believes that it has established an allowance for loan losses that adequately accounts for the Bank’s identified loan impairment. However, additional provision to the loan loss allowance may be needed in future quarters as the Bank works its problem assets through the collection cycle.

The following is a summary of changes in the allowance for loan losses for the six months ended June 30, 2013 and for the year ended December 31, 2012 and the ratio of the allowance for loan losses to total loans as of the end of each period (amounts in thousands):

	June 30,			December 31,
	2013			2012
Balance, beginning of period	$	6,141		$	7,400
Loans charged-off		(2,461	)		(2,869	)
Recoveries of loans previously charged-off		1,115			1,180
Provision for loan losses		300			430
Balance, end of period	$	5,095		$	6,141
Total loans	$	276,063		$	276,991
Ratio of allowance for loan losses to loans outstanding at the end of the period		1.85	%		2.22	%
Ratio of net charge-offs to total loans outstanding for the period		0.49	%		0.61	%

Non-Performing Assets-The specific economic and credit risks associated with the Bank’s loan portfolio include, but are not limited to, a general downturn in the economy which could affect employment rates in our market area, general real estate market deterioration, interest rate fluctuations, deteriorated or non-existent collateral, title defects, inaccurate appraisals, financial deterioration of borrowers, fraud, and violation of laws and regulations.

33

The Bank attempts to reduce these economic and credit risks by adherence to a lending policy approved by the Bank’s board of directors. The Bank’s lending policy establishes loan to value limits, collateral perfection, credit underwriting criteria and other acceptable lending standards. The Bank classifies loans that are ninety (90) days past due and still accruing interest, renegotiated loans, non-accrual loans, foreclosures and repossessed property as non-performing assets. The Bank’s policy is to categorize a loan on non-accrual status when payment of principal or interest is contractually ninety (90) or more days past due. At the time the loan is categorized as non-accrual the interest previously accrued but not collected may be reversed and charged against current earnings.

The following table summarizes Cornerstone’s non-performing assets at each quarter end from September 30, 2012 to June 30, 2013 (amounts in thousands):

	June 30,			March 31,			December 31,			September 30,
	2013			2013			2012			2012
Non-accrual loans	$	6,883		$	6,364		$	6,005		$	7,971
Foreclosed assets		18,867			21,159			20,332			22,376
Total non-performing assets	$	25,750		$	27,523		$	26,337		$	30,347
30-89 days past due loans	$	5,111		$	4,023		$	6,594		$	3,819
Total loans outstanding	$	276,063		$	272,550		$	276,991		$	273,820
Allowance for loan losses		5,095			5,669			6,141			5,280
Ratio of non-performing loans to total loans outstanding at the end of the period		2.49	%		2.33	%		2.17	%		2.91	%
Ratio of non-performing assets to total allowance for loan losses at the end of the period		505.40	%		485.0	%		428.87	%		574.75	%

The Bank’s non-accrual loans have remained consistent over the last four quarters. Management has attempted to proactively resolve loans that have been classified as non-accrual when possible. Management anticipates that non-accrual balances will start to decline as the Bank continues to see a decline in the rate of loans being downgraded and management continues to proactively address these loans.

The Bank was able to reduce its foreclosed asset balances during the second quarter of 2013. Furthermore, the Bank has approximately $2.9 million in foreclosed assets under contract to liquidate in the third or fourth quarter of 2013. Management has made the reduction of foreclosed assets a priority of the Bank. The foreclosed asset reduction would result in reduced expenses, reallocation of human resources to revenue generating positions and improvements in the Bank’s regulatory assessment.

The Bank has maintained a consistent ratio of non-performing loans to total loans outstanding and ratio of non-performing assets to total allowance for loan losses over the last four quarters. During the second quarter of 2013, the Bank’s allowance for loan loss calculation did not require additional loan loss provision expense. This is due in part to the Bank recording, during the second quarter of 2013, approximately $883 thousand in recoveries on previously charged-off loans. Management believes the allowance for loan losses is adequate to address the Bank’s loan impairments as of June 30, 2013.

Deposits and Other Borrowings-The Bank’s deposits consist of non-interest bearing demand deposits, interest- bearing demand accounts, savings and money market accounts, and time deposits. The Bank has agreements with some customers to sell certain of its securities under agreements to repurchase the security the following day. The Bank has also obtained advances from the FHLB.

The following table presents the Bank’s deposits and other borrowings as either core funding or non-core funding. Core funding consists of all deposits except for time deposits issued in denominations of $100,000 or greater. All other funding is classified as non-core (amounts in thousands).

34

	June 30, 2013					December 31, 2012
	Amount		Percent			Amount		Percent
Core funding:
Noninterest-bearing demand deposits	$	60,094		15.33	%	$	60,054		15.0	%
Interest-bearing demand deposits		24,614		6.28	%		30,179		7.6	%
Savings & money market accounts		90,453		23.07	%		80,994		20.3	%
Time deposits under $100,000		83,052		21.18	%		85,917		21.5	%
Total core funding		258,213		65.86	%		257,144		64.4	%
Non-core funding:
Time deposit of $100,000 or more	$	80,987		20.65	%	$	87,737		22.0	%
Fed funds purchased and securities sold under agreements to repurchase		22,907		5.84	%		19,587		4.9	%
Federal Home Loan Bank advances		30,000		7.65	%		35,000		8.7	%
Total non-core funding		133,894		34.14	%		142,324		35.6	%
Total	$	392,107		100.00	%	$	399,468		100.0	%

The Bank has seen a significant improvement in its liability structure by improving its core funding position and reducing its reliance on non-core funding sources. For example, the Bank has been able to reduce its FHLB borrowings to $30 million as of June 30, 2013. Management is currently considering how best to fund future loan growth and maintain sufficient liquidity levels. Additional FHLB advances with defined maturity dates and fixed interest rates may allow the Bank to improve its net interest margin as well as assist in managing interest rate risk in the future.

The Bank continues to offer competitive interest rates to attract and maintain its savings and money market accounts. Management anticipates that the local deposit market will continue to place funds in savings and money market accounts instead of time deposit accounts.

Capital Resources-At June 30, 2013 and December 31, 2012, Cornerstone’s stockholders’ equity amounted to approximately $40.2 million and approximately $40.9 million, respectively.

Cornerstone’s stockholders’ equity decreased by approximately $655 thousand during the first six months of 2013. The primary reason for the decrease can be attributed to the decline in accumulated other comprehensive income which captures the Bank’s decrease in its unrealized security gains. As of December 31, 2012, the Bank had approximately $1.5 million in unrealized security gains. As of June 30, 2013, the amount of unrealized security gains had decreased to approximately $491 thousand. The first reason for the decrease occurred as a result of the Bank liquidating approximately $5 million of its security portfolio to realize an approximate gain of $425 thousand. The second reason for the decline can be attributed to changes in the bond market which occurred during June 2013. Stockholder’s equity has also been decreased by the payment of dividends on its Series A convertible preferred stock. As of June 30, 2013, Cornerstone had paid approximately $684 thousand in dividends. The overall decrease in stockholders’ equity has been offset by Cornerstone’s year to date earnings of approximately $848 thousand.

The following is a summary of the Bank’s capital ratios as of June 30, 2013:

Tier 1 leverage ratio	8.42	%
Tier 1 risk-based capital ratio	11.85	%
Total risk-based capital ratio	13.10	%

Cornerstone had total outstanding borrowings of approximately $1.7 million as of June 30, 2013.

Cornerstone has requested permission from the Federal Reserve Bank of Atlanta (the “Federal Reserve”) to pay its scheduled March 31, 2013 dividend on its Series A convertible preferred stock in the amount of $0.625 per share. Cornerstone is waiting for a final decision from the Federal Reserve authorizing the payment of the dividend.

35

Market and Liquidity Risk Management

Interest Rate Sensitivity

The Bank’s Asset Liability Management Committee (“ALCO”) is responsible for making decisions regarding liquidity and funding solutions based upon approved liquidity, loan, capital and investment policies. The ALCO must consider interest rate sensitivity and liquidity risk management when rendering a decision on funding solutions and loan pricing. To assist in this process the Bank has contracted with an independent third party to prepare quarterly reports that summarize several key asset-liability measurements. In addition, the third party will also provide recommendations to the Bank’s ALCO regarding future balance sheet structure, earnings and liquidity strategies. The following is a brief discussion of the primary tools used by the ALCO to perform its responsibilities:

Earnings at Risk Model

The Bank uses an earnings at risk model to analyze interest rate risk. Forecasted levels of earning assets, interest-bearing liabilities, and off-balance sheet financial instruments are combined with ALCO forecasts of interest rates for the next 12 months and are combined with other factors in order to produce various earnings simulations.

Economic Value of Equity

The Bank’s economic value of equity model measures the extent that estimated economic values of the Bank’s assets and liabilities will change as a result of interest rate changes. Economic values are determined by discounting expected cash flows from assets and liabilities, which establishes a base case economic value of equity.

Liquidity Analysis

The Bank uses a liquidity analysis model to examine the current liquidity position and analyze the potential sources of coverage in the event of a liquidity crisis. The following is a brief description of the key measurements contained in the analysis:

Regular Liquidity Position-This is a measurement used to capture the ability of an institution to cover its current debt obligations.

Basic Surplus-The basic surplus ratio is used to determine the number of times non-obligated assets could be used to meet immediate liquidity needs.

Dependency Ratio-The dependency ratio determines the reliance on short-term liabilities.

Leverage Analysis

The leverage analysis examines the potential of the institution to absorb additional debt. The key measurements included in this analysis are the Bank’s tier 1 capital, leverage and total capital ratios.

Balance Sheet Analytics

Balance sheet analytics involve an in depth examination of the balance sheet structure, including diversification of structure and most recent pricing practices. This review uses trend analysis to compare previous balance sheet positions. The analysis enables the ALCO to review significant changes in the Bank’s loan and security portfolios as well as the Bank’s deposit composition.

Liquidity Risk Management

Liquidity is measured by the Bank's ability to raise cash at a reasonable cost or with a minimum of loss. These funds are used primarily to fund loans and satisfy deposit withdrawals. Several factors must be considered by management when attempting to minimize liquidity risk. Examples include changes in interest rates, competition, loan demand, and general economic conditions. Minimizing liquidity risk is a responsibility of the ALCO and is reviewed by the Bank’s regulatory agencies on a regular basis.

36

Item 3. Quantitative and Qualitative Disclosures About Market Risk

A comprehensive qualitative and quantitative analysis regarding market risk was disclosed in Cornerstone’s Annual Report on Form 10-K for the year ended December 31, 2012. No material changes in the assumptions used in preparing, or results obtained from, the model have occurred since December 31, 2012.

Item 4. Controls and Procedures

Under the supervision and with the participation of management, including Cornerstone’s Chief Executive Officer and Chief Financial Officer, Cornerstone has evaluated the effectiveness of its disclosure controls and procedures (as such term is defined in Rules 13a-15(e) and 15d-15(e) under the Securities Exchange Act of 1934, as amended (the “Exchange Act”), as of June 30, 2013 (the “Evaluation Date”). Based on such evaluation, such officers have concluded that, as of the Evaluation Date, Cornerstone’s disclosure controls and procedures were effective in alerting them on a timely basis to material information relating to Cornerstone (including its consolidated subsidiary) required to be included in Cornerstone’s periodic filings under the Exchange Act.

There were no changes in Cornerstone’s internal control over financial reporting during Cornerstone’s fiscal quarter ended June 30, 2013 that have materially affected, or are reasonably likely to materially affect, Cornerstone’s internal control over financial reporting.

37

PART II. OTHER INFORMATION

Item 1. Legal Proceedings

There are various claims and lawsuits in which the Bank is periodically involved incidental to the Bank’s business. In the opinion of management, no material loss is expected from any of such pending claims or lawsuits.

Item 1A. Risk Factors

Cornerstone, as a smaller reporting company, is not required to provide the information required by this Item.

Item 2. Unregistered Sales of Equity Securities and Use of Proceeds

None

Item 3. Defaults Upon Senior Securities

None

Item 4. Mine Safety Disclosures – Not Applicable

Item 5. Other Information

None

Item 6. Exhibits

Exhibit Number	Description
31	Certifications under Section 302 of the Sarbanes-Oxley Act of 2002.
32	Certifications under Section 906 of the Sarbanes-Oxley Act of 2002.

38

SIGNATURES

In accordance with the requirements of the Exchange Act, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

	Cornerstone Bancshares, Inc.
Date:    August 14, 2013	/s/ Nathaniel F. Hughes
	Nathaniel F. Hughes,
	President and Chief Executive Officer
	(principal executive officer)
Date:    August 14, 2013	/s/ Gary W. Petty, Jr.
	Gary W. Petty, Jr.
	Executive Vice President and Chief Financial Officer
	(principal financial officer and accounting officer)

EXHIBIT INDEX

Exhibit Number	Description
31	Certifications under Section 302 of the Sarbanes-Oxley Act of 2002.
32	Certifications under Section 906 of the Sarbanes-Oxley Act of 2002.

39

EX-31

EXHIBIT 31

CERTIFICATION

I, Nathaniel F. Hughes, certify that:

1. I have reviewed this quarterly report on Form 10-Q of Cornerstone Bancshares, Inc (the “Registrant”);

2. Based on my knowledge, this quarterly report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this quarterly report;

3. Based on my knowledge, the financial statements, and other financial information included in this quarterly report, fairly present in all material respects the financial condition, results of operations and cash flows of the Registrant as, and for, the periods presented in this quarterly report;

4. The Registrant’s other certifying officers and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the Registrant and have:

(a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervisions, to ensure that material information relating to the Registrant, including its consolidated subsidiary, is made known to us by others within those entities, particularly during the period in which this quarterly report is being prepared;

(b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervisions to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c) Evaluated the effectiveness of the Registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(d) Disclosed in this report any change in the Registrant’s internal control over financial reporting that occurred during the most recent fiscal quarter that has materially affected, or is reasonably likely to materially affect, the Registrant’s internal control over financial reporting; and

5. The Registrant’s other certifying officers and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the Registrant’s auditors and the audit committee of Registrant’s board of directors (or persons performing the equivalent functions):

(a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the Registrant’s ability to record, process, summarize and report financial information; and

(b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the Registrant’s internal control over financial reporting.

Date:   August 14, 2013	/s/ Nathaniel F. Hughes
	Nathaniel F. Hughes
	President and Chief Executive Officer
	(principal executive officer)

EXHIBIT 31

CERTIFICATION

I, Gary W. Petty, Jr., certify that:

1. I have reviewed this quarterly report on Form 10-Q of Cornerstone Bancshares, Inc (the “Registrant”);

2. Based on my knowledge, this quarterly report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this quarterly report;

3. Based on my knowledge, the financial statements, and other financial information included in this quarterly report, fairly present in all material respects the financial condition, results of operations and cash flows of the Registrant as, and for, the periods presented in this quarterly report;

4. The Registrant’s other certifying officers and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the Registrant and have:

(a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervisions, to ensure that material information relating to the Registrant, including its consolidated subsidiary, is made known to us by others within those entities, particularly during the period in which this quarterly report is being prepared;

(b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervisions to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c) Evaluated the effectiveness of the Registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(d) Disclosed in this report any change in the Registrant’s internal control over financial reporting that occurred during the most recent fiscal quarter that has materially affected, or is reasonably likely to materially affect, the Registrant’s internal control over financial reporting; and

5. The Registrant’s other certifying officers and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the Registrant’s auditors and the audit committee of Registrant’s board of directors (or persons performing the equivalent functions):

(a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the Registrant’s ability to record, process, summarize and report financial information; and

(b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the Registrant’s internal control over financial reporting.

Date:    August 14, 2013	/s/ Gary W. Petty, Jr.
	Gary W. Petty, Jr.
	Executive Vice President and Chief Financial Officer
	(principal financial and accounting officer)

EX-32

Exhibit 32

CERTIFICATIONS PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

(18 U.S.C. SECTION 1350)

In connection with the Quarterly Report of Cornerstone Bancshares, Inc., a Tennessee corporation (“Cornerstone”), on Form 10-Q for the quarter ended June 30, 2013, as filed with the Securities and Exchange Commission (the “Report”), Nathaniel F. Hughes, President and Chief Executive Officer of Cornerstone, and Gary W. Petty, Jr., Executive Vice President and Chief Financial Officer of Cornerstone, respectively, do each hereby certify, pursuant to § 906 of the Sarbanes-Oxley Act of 2002 (18 U.S.C. § 1350), that to his knowledge:

(1)  The Report fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2)  The information contained in the Report fairly presents, in all material respects, the financial condition and result of operations of Cornerstone.

/s/ Nathaniel F. Hughes

Nathaniel F. Hughes

President and Chief Executive Officer

 (principal executive officer)

August 14, 2013

/s/ Gary W. Petty, Jr.

Gary W. Petty, Jr.

Executive Vice President and Chief Financial Officer

(principal financial officer and accounting officer)

August 14, 2013

[A signed original of this written statement required by Section 906 has been provided to Cornerstone Bancshares, Inc. and will be retained by Cornerstone Bancshares, Inc. and furnished to the Securities and Exchange Commission or its staff upon request.]

XML

Stock Based Compensation (Tables)

6 Months Ended

Jun. 30, 2013

Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]

This was determined using the Black-Scholes option-pricing model with the following weighted-average assumptions:

Dividend yield	0.0	%
Expected life	7.0 Years
Expected volatility	47.60	%
Risk-free interest rate	1.23	%

Officer and Employee Plans [Member]

Schedule of Share-based Compensation, Stock Options and Stock Appreciation Rights Award Activity [Table Text Block]

A summary of the status of these stock option plans is presented in the following table:

	Number		Weighted Average Exercisable Price		Weighted- Average Contractual Remaining Term (in years)	Aggregate Intrinsic Value
Outstanding at December 31, 2012		670,300	$	3.86	6.2 Years	$	232,900
Granted		193,000		2.37	9.7 Years
Exercised		-		-
Forfeited		(57,475)		(3.51)
Outstanding at June 30, 2013		805,825	$	3.52	7.0 Years	$	185,370
Options exercisable at June 30, 2013		304,025	$	6.15

Board Of Directors Plan [Member]

Schedule of Share-based Compensation, Stock Options and Stock Appreciation Rights Award Activity [Table Text Block]

A summary of the status of this stock option plan is presented in the following table:

	Number		Weighted Average Exercisable Price		Weighted- Average Contractual Remaining Term (in years)	Aggregate Intrinsic Value
Outstanding at December 31, 2012		145,250	$	3.30	7.2 Years	$	57,600
Granted		45,000		2.37	9.7 Years
Exercised		-		-
Forfeited		-		-
Outstanding at June 30, 2013		190,250	$	3.08	7.4 Years	$	46,800
Options exercisable at June 30, 2013		100,250	$	4.04

XML

Consolidated Statements of Income (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
INTEREST INCOME
Loans, including fees	$ 4,079,369	$ 4,185,757	$ 8,221,105	$ 8,329,701
Investment securities	482,117	618,255	922,023	1,085,261
Federal funds sold & other earning assets	14,533	13,341	36,005	28,428
Total interest income	4,576,019	4,817,353	9,179,133	9,443,390
INTEREST EXPENSE
Time deposits	455,340	634,961	920,596	1,334,055
Other deposits	131,534	133,459	269,464	254,702
Federal funds purchased and securities sold under agreements to repurchase	16,743	23,074	34,823	55,304
Federal Home Loan Bank advances and other borrowings	315,948	425,737	656,387	886,944
Total interest expense	919,565	1,217,231	1,881,270	2,531,005
Net interest income before provision for loan losses	3,656,454	3,600,122	7,297,863	6,912,385
Provision for loan losses	0	0	300,000	0
Net interest income after provision for loan losses	3,656,454	3,600,122	6,997,863	6,912,385
NONINTEREST INCOME
Customer service fees	201,302	207,164	389,783	404,598
Net gains from sale of securities	424,971	0	424,971	0
Net gains from sale of loans and other assets	52,382	26,246	201,582	75,910
Other noninterest income	18,650	18,612	36,468	38,900
Total noninterest income	697,305	252,022	1,052,804	519,408
NONINTEREST EXPENSE
Salaries and employee benefits	1,622,501	1,569,555	3,219,792	3,160,690
Net occupancy and equipment expense	339,606	347,928	677,485	683,741
Depository insurance	161,120	206,866	320,964	409,649
Foreclosed assets, net	798,456	480,755	927,148	631,075
Other operating expenses	780,045	818,255	1,532,219	1,612,336
Total noninterest expenses	3,701,728	3,423,359	6,677,608	6,497,491
Income before provision for income taxes	652,031	428,785	1,373,059	934,302
Provision for income taxes	256,000	118,200	524,900	267,200
Net income	396,031	310,585	848,159	667,102
Preferred stock dividend requirements	375,000	280,031	750,000	545,887
Accretion on preferred stock discount	17,845	15,241	35,690	29,709
Net income available to common shareholders	$ 3,186	$ 15,313	$ 62,469	$ 91,506
EARNINGS PER COMMON SHARE
Basic (in dollars per share)	$ 0	$ 0	$ 0.01	$ 0.01
Diluted (in dollars per share)	$ 0	$ 0	$ 0.01	$ 0.01
DIVIDENDS DECLARED PER COMMON SHARE (in dollars per share)	$ 0	$ 0	$ 0	$ 0

XML

Stock Based Compensation

6 Months Ended

Jun. 30, 2013

Disclosure Of Compensation Related Costs, Share-Based Payments [Abstract]

Disclosure of Compensation Related Costs, Share-based Payments [Text Block]

Note 2. Stock Based Compensation

Accounting Policies- Cornerstone, as required by FASB, applies the fair value recognition provisions of ASC 718, Compensation –Stock Compensation. As a result, for the six month period ended June 30, 2013, the compensation cost charged to earnings related to the vested incentive stock options was approximately $65,000, which had no material impact on earnings per share.

Officer and Employee Plans-Cornerstone has two stock option plans under which officers and employees can be granted incentive stock options or non-qualified stock options to purchase a total of up to 1,420,000 shares of Cornerstone’s common stock. The exercise price for incentive stock options must be not less than 100 percent of the fair market value of the common stock on the date of the grant. The exercise price of the non-qualified stock options may be equal to or more or less than the fair market value of the common stock on the date of the grant. The incentive stock options vest 30 percent on the second anniversary of the grant date, 60 percent on the third anniversary of the grant date and 100 percent on the fourth anniversary of the grant date, and the non-qualified stock options vest 50 percent on the first anniversary of the grant date and 100 percent on the second anniversary of the grant date. The options expire ten years from the grant date. At June 30, 2013, the total remaining compensation cost to be recognized on non-vested options is approximately $543,000. A summary of the status of these stock option plans is presented in the following table:

	Number		Weighted Average Exercisable Price		Weighted- Average Contractual Remaining Term (in years)	Aggregate Intrinsic Value
Outstanding at December 31, 2012		670,300	$	3.86	6.2 Years	$	232,900
Granted		193,000		2.37	9.7 Years
Exercised		-		-
Forfeited		(57,475)		(3.51)
Outstanding at June 30, 2013		805,825	$	3.52	7.0 Years	$	185,370
Options exercisable at June 30, 2013		304,025	$	6.15

Board of Directors Plan-Cornerstone has a stock option plan under which members of the Board of Directors, at the formation of the Bank, were granted options to purchase a total of up to 600,000 shares of the Bank's common stock. On October 15, 1997, the Bank stock options were converted to Cornerstone stock options. Only non-qualified stock options may be granted under the plan. The exercise price of each option equals the market price of Cornerstone’s stock on the date of grant and the maximum term is ten years. Vesting is 50 percent on the first anniversary of the grant date and 100 percent on the second anniversary of the grant date. At June 30, 2013, the total remaining compensation cost to be recognized on non-vested options is approximately $105,000. A summary of the status of this stock option plan is presented in the following table:

	Number		Weighted Average Exercisable Price		Weighted- Average Contractual Remaining Term (in years)	Aggregate Intrinsic Value
Outstanding at December 31, 2012		145,250	$	3.30	7.2 Years	$	57,600
Granted		45,000		2.37	9.7 Years
Exercised		-		-
Forfeited		-		-
Outstanding at June 30, 2013		190,250	$	3.08	7.4 Years	$	46,800
Options exercisable at June 30, 2013		100,250	$	4.04

The weighted average grant date fair value of all stock options granted during the six months ended June 30, 2013 was $1.17. This was determined using the Black-Scholes option-pricing model with the following weighted-average assumptions:

Dividend yield	0.0	%
Expected life	7.0 Years
Expected volatility	47.60	%
Risk-free interest rate	1.23	%

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Stock Based Compensation (Details 1) (Board Of Directors Plan [Member], USD $)	6 Months Ended	12 Months Ended
	Jun. 30, 2013	Dec. 31, 2012
Board Of Directors Plan [Member]
Number, Outstanding (in shares)	145,250
Number, Granted (in shares)	45,000
Number, Exercised (in shares)	0
Number, Forfeited (in shares)	0
Number, Outstanding (in shares)	190,250	145,250
Number, Options exercisable (in shares)	100,250
Weighted Average Exercisable Price, Outstanding (in dollars per share)	$ 3.30
Weighted Average Exercisable Price, Granted (in dollars per share)	$ 2.37
Weighted Average Exercisable Price, Exercised (in dollars per share)	$ 0
Weighted Average Exercisable Price, Forfeited (in dollars per share)	$ 0
Weighted Average Exercisable Price Outstanding (in dollars per share)	$ 3.08	$ 3.30
Weighted Average Exercisable Price Options exercisable (in dollars per share)	$ 4.04
Weighted-Average Contractual Remaining Term, Outstanding (in years)	7 years 4 months 24 days	7 years 2 months 12 days
Weighted-Average Contractual Remaining Term, Granted (in years)	9 years 8 months 12 days
Aggregate Intrinsic Value, Outstanding	$ 57,600
Aggregate Intrinsic Value, Outstanding	$ 46,800	$ 57,600

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Securities (Tables)

6 Months Ended

Jun. 30, 2013

Investments, Debt and Equity Securities [Abstract]

Schedule Of Available For Sale Securities and Held To Maturity Reconciliation [Table Text Block]

The amortized cost and fair value of securities available-for-sale and held-to-maturity at June 30, 2013 and December 31, 2012 are summarized as follows:

	June 30, 2013
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
Debt securities available for sale:
U.S. Government agencies	$	3,862,322	$	55,138	$	-	$	3,917,460
State and municipal securities		16,589,144		830,170		(4,151)		17,415,163
Mortgage-backed securities:
Residential mortgage loans guaranteed by GNMA or FNMA		8,025,705		149,580		(776)		8,174,509
Collateralized mortgage obligations issued or guaranteed by U.S. Government agencies     or sponsored agencies		70,490,078		75,033		(294,794)		70,270,317
	$	98,967,249	$	1,109,921	$	(299,721)	$	99,777,449
Debt securities held to maturity:
Mortgage-backed securities:
Residential mortgage loans guaranteed by GNMA or FNMA	$	40,014	$	1,151	$	-	$	41,165

	December 31, 2012
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
Debt securities available for sale:
U.S. Government agencies	$	3,961,956	$	56,195	$	-	$	4,018,151
State and municipal securities		21,531,727		2,101,590		-		23,633,317
Mortgage-backed securities:
Residential mortgage loans guaranteed by GNMA or FNMA		9,092,205		132,038		(1,824)		9,222,419
Collateralized mortgage obligations issued or guaranteed by U.S. Government agencies     or sponsored agencies		39,151,568		86,099		(14,908)		39,222,759
	$	73,737,456	$	2,375,922	$	(16,732)	$	76,096,646
Debt securities held to maturity:
Mortgage-backed securities:
Residential mortgage loans guaranteed by GNMA or FNMA	$	45,086	$	1,341	$	(8)	$	46,212

Investments Classified by Contractual Maturity Date [Table Text Block]

The amortized cost and estimated market value of securities at June 30, 2013, by contractual maturity, are shown below. Expected maturities will differ from contractual maturities because borrowers may have the right to call or prepay obligations with or without call or prepayment penalties.

	Securities Available for Sale				Securities Held to Maturity
	Amortized Cost		Fair Value		Amortized Cost		Fair Value
Due in one year or less	$	-	$	-	$	-	$	-
Due from one year to five years		1,267,705		1,344,690		-		-
Due from five years to ten years		6,038,433		6,394,571		-		-
Due after ten years		13,145,328		13,593,362		-		-
	$	20,451,466	$	21,332,623	$	-	$	-
Mortgage-backed securities		78,515,783		78,444,826		40,014		41,165
	$	98,967,249	$	99,777,449	$	40,014	$	41,165

Schedule of Unrealized Loss on Investments [Table Text Block]

The following tables present the gross unrealized losses and fair value, aggregated by investment category and length of time that individual securities available for sale have been in a continuous unrealized loss position, as of June 30, 2013 and as of December 31, 2012:

	As of June 30, 2013
	Less than 12 Months				12 Months or Greater				Total
	Fair Value		Gross Unrealized Losses		Fair Value		Gross Unrealized Losses		Fair Value		Gross Unrealized Losses
State and municipal securities	$	1,179,146	$	(3,454)	$	570,530	$	(697)	$	1,749,676	$	(4,151)
Mortgage-backed securities:
Residential mortgage loans guaranteed by GNMA or FNMA		522,683		(776)		-		-		522,683		(776)
Collateralized mortgage obligations issued or guaranteed by U.S.     Government agencies or sponsored agencies		33,398,941		(290,377)		9,990,227		(4,417)		43,389,168		(294,794)
	$	35,100,770	$	(294,607)	$	10,560,757	$	(5,114)	$	45,661,527	$	(299,721)

	As of December 31, 2012
	Less than 12 Months				12 Months or Greater				Total
	Fair Value		Gross Unrealized Losses		Fair Value		Gross Unrealized Losses		Fair Value		Gross Unrealized Losses
Mortgage-backed securities:
Residential mortgage loans guaranteed by GNMA or FNMA	$	667,325	$	(1,824)	$	-	$	-	$	667,325	$	(1,824)
Collateralized mortgage obligations issued or guaranteed by U.S.     Government agencies or sponsored agencies		22,514,641		(14,908)		-		-		22,514,641		(14,908)
	$	23,181,966	$	(16,732)	$	-	$	-	$	23,181,966	$	(16,732)

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Loans and Allowance for Loan Losses (Details 7) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Commercial Real Estate Mortgage [Member]
Number of Contracts	2
Pre-Modification Outstanding Recorded Investment	$ 555
Post-Modification Outstanding Recorded Investment	555
Consumer Real Estate Mortgage [Member]
Number of Contracts	1	1
Pre-Modification Outstanding Recorded Investment	66	65
Post-Modification Outstanding Recorded Investment	66	65
Construction and Land Development [Member]
Number of Contracts	3	3
Pre-Modification Outstanding Recorded Investment	898	1,178
Post-Modification Outstanding Recorded Investment	898	1,178
Commercial and Industrial Loans [Member]
Number of Contracts	3	3
Pre-Modification Outstanding Recorded Investment	2,389	2,389
Post-Modification Outstanding Recorded Investment	$ 2,389	$ 2,389

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Securities (Details) (USD $)	6 Months Ended	12 Months Ended
	Jun. 30, 2013	Dec. 31, 2012
Debt securities available-for-sale:
Debt securities available for sale, Amortized Cost	$ 98,967,249	$ 73,737,456
Debt securities available for sale Gross Unrealized Gains	1,109,921	2,375,922
Debt securities available for sale Gross Unrealized Loss	(299,721)	(16,732)
Debt securities available for sale, Fair Value	99,777,449	76,096,646
Debt securities held to maturity, Fair Value	41,165	46,212
US Government Agencies Debt Securities [Member]
Debt securities available-for-sale:
Debt securities available for sale, Amortized Cost	3,862,322	3,961,956
Debt securities available for sale Gross Unrealized Gains	55,138	56,195
Debt securities available for sale Gross Unrealized Loss	0	0
Debt securities available for sale, Fair Value	3,917,460	4,018,151
US States and Political Subdivisions Debt Securities [Member]
Debt securities available-for-sale:
Debt securities available for sale, Amortized Cost	16,589,144	21,531,727
Debt securities available for sale Gross Unrealized Gains	830,170	2,101,590
Debt securities available for sale Gross Unrealized Loss	(4,151)	0
Debt securities available for sale, Fair Value	17,415,163	23,633,317
Residential Mortgage Backed Securities [Member]
Debt securities available-for-sale:
Debt securities available for sale, Amortized Cost	8,025,705	9,092,205
Debt securities available for sale Gross Unrealized Gains	149,580	132,038
Debt securities available for sale Gross Unrealized Loss	(776)	(1,824)
Debt securities available for sale, Fair Value	8,174,509	9,222,419
Debt securities held to maturity, Amortized Cost	40,014	45,086
Debt securities held to maturity Unrecognized Gain	1,151	1,341
Debt securities held to maturity Unrecognized Loss	0	(8)
Debt securities held to maturity, Fair Value	41,165	46,212
Collateralized Debt Obligations [Member]
Debt securities available-for-sale:
Debt securities available for sale, Amortized Cost	70,490,078	39,151,568
Debt securities available for sale Gross Unrealized Gains	75,033	86,099
Debt securities available for sale Gross Unrealized Loss	(294,794)	(14,908)
Debt securities available for sale, Fair Value	$ 70,270,317	$ 39,222,759

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Stock Based Compensation (Details Textual) (USD $)	6 Months Ended
	Jun. 30, 2013
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value	$ 1.17
Stock or Unit Option Plan Expense	$ 65,000
Sharebased Compensation Arrangement by Share-based Payment Award, Options, Grants Date Maximum Term	10 years
Officer and Employee Plans [Member]
Shares Held in Employee Stock Option Plan, Allocated	1,420,000
Incentive Stock Option Description	The exercise price for incentive stock options must be not less than 100 percent of the fair market value of the common stock on the date of the grant.
Percentage Of Incentive Stock Options Vest On Second Anniversary Of Grant Date	30.00%
Percentage Of Incentive Stock Options Vest On Third Anniversary Of Grant Date	60.00%
Percentage Of Incentive Stock Options Vest On Fourth Anniversary Of Grant Date	100.00%
Percentage Of Nonqualified Stock Options Vest On First Anniversary Of Grant Date	50.00%
Percentage Of Nonqualified Stock Options Vest On Second Anniversary Of Grant Date	100.00%
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized	543,000
Board Of Directors Plan [Member]
Shares Held in Employee Stock Option Plan, Allocated	600,000
Percentage Of Nonqualified Stock Options Vest On First Anniversary Of Grant Date	50.00%
Percentage Of Nonqualified Stock Options Vest On Second Anniversary Of Grant Date	100.00%
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized	$ 105,000

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Loans and Allowance for Loan Losses (Details 3) (USD $)	6 Months Ended		12 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Dec. 31, 2012
Beginning balance	$ 6,141,281	$ 7,400,000	$ 7,400,000
Charged-off loans	(2,461,000)		(2,869,000)
Recovery of charge-offs	1,115,000		1,180,000
Provision for (reallocation of) loan losses	300,000	0	430,000
Ending balance	5,094,740		6,141,281
Commercial Real Estate Mortgage [Member]
Beginning balance	2,549,000	3,557,000	3,557,000
Charged-off loans	(281,000)		(958,000)
Recovery of charge-offs	54,000		838,000
Provision for (reallocation of) loan losses	751,000		(888,000)
Ending balance	3,073,000		2,549,000
Consumer Real Estate Mortgage [Member]
Beginning balance	1,528,000	2,518,000	2,518,000
Charged-off loans	(640,000)		(1,022,000)
Recovery of charge-offs	218,000		36,000
Provision for (reallocation of) loan losses	(140,000)		(4,000)
Ending balance	1,246,000		1,528,000
Construction and Land Development [Member]
Beginning balance	1,241,000	827,000	827,000
Charged-off loans	(1,180,000)		(782,000)
Recovery of charge-offs	775,000		145,000
Provision for (reallocation of) loan losses	(511,000)		1,051,000
Ending balance	325,000		1,241,000
Commercial and Industrial Loans [Member]
Beginning balance	809,000	482,000	482,000
Charged-off loans	(341,000)		(74,000)
Recovery of charge-offs	66,000		144,000
Provision for (reallocation of) loan losses	(96,000)		257,000
Ending balance	438,000		809,000
Consumer and Other Loans [Member]
Beginning balance	14,000	16,000	16,000
Charged-off loans	(19,000)		(33,000)
Recovery of charge-offs	2,000		17,000
Provision for (reallocation of) loan losses	16,000		14,000
Ending balance	$ 13,000		$ 14,000

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Commitments and Contingent Liabilities (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013
Commitments to Extend Credit [Member]
Fair Value Disclosure, Off-balance Sheet Risks, Amount, Liability	$ 31,400
Standby Letters of Credit [Member]
Fair Value Disclosure, Off-balance Sheet Risks, Amount, Liability	$ 205

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Loans and Allowance for Loan Losses (Details) (USD $)	Jun. 30, 2013	Dec. 31, 2012	Dec. 31, 2011
Total Loans	$ 276,063,000	$ 276,991,000
Less: Allowance for loan losses	(5,094,740)	(6,141,281)	(7,400,000)
Loans, net	270,967,656	270,850,465
Total Loans Percentage	100.00%	100.00%
Commercial Real Estate Owner Occupied [Member]
Total Loans	60,725,000	58,425,000
Total Loans Percentage	22.00%	21.09%
Commercial Real Estate All Other [Member]
Total Loans	67,416,000	66,747,000
Total Loans Percentage	24.42%	24.10%
Consumer Real Estate Mortgage [Member]
Total Loans	67,345,000	71,195,000
Less: Allowance for loan losses	(1,246,000)	(1,528,000)	(2,518,000)
Total Loans Percentage	24.39%	25.70%
Construction and Land Development [Member]
Total Loans	36,185,000	38,557,000
Less: Allowance for loan losses	(325,000)	(1,241,000)	(827,000)
Total Loans Percentage	13.11%	13.92%
Commercial and Industrial Loans [Member]
Total Loans	42,374,000	40,140,000
Less: Allowance for loan losses	(438,000)	(809,000)	(482,000)
Total Loans Percentage	15.35%	14.49%
Consumer and Other Loans [Member]
Total Loans	2,018,000	1,927,000
Less: Allowance for loan losses	$ (13,000)	$ (14,000)	$ (16,000)
Total Loans Percentage	0.73%	0.70%

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Fair Value Disclosures (Details 2) (USD $)	Jun. 30, 2013	Dec. 31, 2012	Jun. 30, 2012	Dec. 31, 2011
Assets:
Cash and cash equivalents, Carrying Amount	$ 28,700,862	$ 59,395,238	$ 36,879,105	$ 38,882,691
Securities, Carrying Amount	99,817,000	76,142,000
Federal Home Loan Bank stock, Carrying Amount	2,322,900	2,322,900
Loans, net, Carrying Amount	270,967,656	270,850,465
Cash surrender value of life insurance, Carrying Amount	1,216,000	1,200,000
Accrued interest receivable, Carrying Amount	1,152,927	1,213,778
Cash and cash equivalents, Estimated Fair Value	28,701,000	59,395,000
Securities, Estimated Fair Value	99,816,000	76,143,000
Federal Home Loan Bank stock, Estimated Fair Value	2,323,000	2,323,000
Loans, net, Estimated Fair Value	270,959,000	271,128,000
Cash surrender value of life insurance, Estimated Fair Value	1,216,200	1,199,725
Accrued interest receivable, Estimated Fair Value	1,153,000	1,214,000
Liabilities:
Noninterest-bearing demand deposits, Carrying Amount	60,094,019	60,053,838
Interest-bearing demand deposits, Carrying Amount	24,613,914	30,178,624
Savings deposits and money market accounts, Carrying Amount	90,452,881	80,994,239
Time deposits, Carrying Amount	164,038,451	173,653,892
Federal funds purchased and securities sold under agreements to repurchase, Carrying Amount	22,907,064	19,587,387
Federal Home Loan Bank advances and other borrowings, Carrying Amount	31,740,000	37,175,000
Accrued interest payable, Carrying Amount	93,464	120,558
Noninterest-bearing demand deposits, Estimated Fair Value	60,094,000	60,054,000
Interest-bearing demand deposits, Estimated Fair Value	24,614,000	30,179,000
Savings deposits and money market accounts, Estimated Fair Value	90,453,000	80,994,000
Time deposits, Estimated Fair Value	164,365,000	175,177,000
Federal funds purchased and securities sold under agreements to repurchase, Estimated Fair Value	22,907,000	19,587,000
Federal Home Loan Bank advances and other borrowings, Estimated Fair Value	31,740,000	37,175,000
Accrued interest payable, Estimated Fair Value	93,000	121,000
Unrecognized financial instruments (net of contract amount):
Commitments to extend credit, Carrying Amount	0	0
Letters of credit, Carrying Amount	0	0
Lines of credit, Carrying Amount	0	0
Commitments to extend credit, Estimated Fair Value	0	0
Letters of credit, Estimated Fair Value	0	0
Lines of credit, Estimated Fair Value	$ 0	$ 0

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Stock Based Compensation (Details 2) (Board Of Directors Plan [Member])	6 Months Ended
	Jun. 30, 2013
Board Of Directors Plan [Member]
Dividend yield	0.00%
Expected life	7 years
Expected volatility	47.60%
Risk-free interest rate	1.23%

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Consolidated Statements of Comprehensive Income (Parenthetical) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Unrealized holding (losses) gains arising during the period, tax benefit (expense)	$ 290,725	$ (144,431)	$ 427,124	$ (121,153)
Reclassification adjustment for gains included in net income, tax expense	$ 161,489		$ 161,489

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Consolidated Statements of Cash Flows (USD $)	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 848,159	$ 667,102
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	217,661	234,632
Provision for loan losses	300,000	0
Stock compensation expense	64,528	37,024
Gain on sale of securities	(424,971)	0
Net losses on sales of loans and other assets	(201,582)	(75,910)
Changes in other operating assets and liabilities:
Accrued interest receivable	60,851	80,855
Accrued interest payable	(27,094)	3,800
Other assets and liabilities	1,096,992	1,957,037
Net cash provided by operating activities	1,934,544	2,904,540
CASH FLOWS FROM INVESTING ACTIVITIES
Securities available for sale	21,494,189	19,474,936
Securities held to maturity	5,012	11,523
Purchase of securities available for sale	(46,297,289)	(19,672,373)
Loan originations and principal collections, net	(1,822,518)	(3,397,662)
Purchase of bank premises and equipment	(3,254)	(61,432)
Proceeds from sale of other real estate and other assets	2,398,465	1,916,855
Net cash (used in) investing activities	(24,225,395)	(1,728,153)
CASH FLOWS FROM FINANCING ACTIVITIES
Net (decrease) / increase in deposits	(5,681,328)	7,697,663
Net increase / (decrease) in federal funds purchased and securities sold under agreements to repurchase	3,319,677	(6,091,691)
Net payments on Federal Home Loan Bank advances and other borrowings	(5,435,000)	(5,435,000)
Payment of dividends on preferred stock	(683,893)	(440,031)
Issuance of common stock	77,019	0
Issuance of preferred stock	0	1,089,086
Net cash (used in) financing activities	(8,403,525)	(3,179,973)
NET (DECREASE) IN CASH AND CASH EQUIVALENTS	(30,694,376)	(2,003,586)
CASH AND CASH EQUIVALENTS, beginning of period	59,395,238	38,882,691
CASH AND CASH EQUIVALENTS, end of period	28,700,862	36,879,105
SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION
Cash paid during the period for interest	1,908,364	2,527,205
Cash paid during the period for taxes	0	913,327
NONCASH INVESTING AND FINANCING ACTIVITIES
Acquisition of real estate through foreclosure	$ 1,604,806	$ 6,121,012

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Securities

6 Months Ended

Jun. 30, 2013

Investments, Debt and Equity Securities [Abstract]

Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block]

Note 3. Securities

The amortized cost and fair value of securities available-for-sale and held-to-maturity at June 30, 2013 and December 31, 2012 are summarized as follows:

	June 30, 2013
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
Debt securities available for sale:
U.S. Government agencies	$	3,862,322	$	55,138	$	-	$	3,917,460
State and municipal securities		16,589,144		830,170		(4,151)		17,415,163
Mortgage-backed securities:
Residential mortgage loans guaranteed by GNMA or FNMA		8,025,705		149,580		(776)		8,174,509
Collateralized mortgage obligations issued or guaranteed by U.S. Government agencies     or sponsored agencies		70,490,078		75,033		(294,794)		70,270,317
	$	98,967,249	$	1,109,921	$	(299,721)	$	99,777,449
Debt securities held to maturity:
Mortgage-backed securities:
Residential mortgage loans guaranteed by GNMA or FNMA	$	40,014	$	1,151	$	-	$	41,165

	December 31, 2012
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
Debt securities available for sale:
U.S. Government agencies	$	3,961,956	$	56,195	$	-	$	4,018,151
State and municipal securities		21,531,727		2,101,590		-		23,633,317
Mortgage-backed securities:
Residential mortgage loans guaranteed by GNMA or FNMA		9,092,205		132,038		(1,824)		9,222,419
Collateralized mortgage obligations issued or guaranteed by U.S. Government agencies     or sponsored agencies		39,151,568		86,099		(14,908)		39,222,759
	$	73,737,456	$	2,375,922	$	(16,732)	$	76,096,646
Debt securities held to maturity:
Mortgage-backed securities:
Residential mortgage loans guaranteed by GNMA or FNMA	$	45,086	$	1,341	$	(8)	$	46,212

At June 30, 2013, securities with a fair value totaling approximately $50 million were pledged to secure public funds, securities sold under agreements to repurchase, as collateral for federal funds purchased from other financial institutions and serve as collateral for borrowings at the Federal Reserve Discount Window.

For the quarter ended June 30, 2013, there were available for sale securities sold with proceeds totaling $5,328,170 which resulted in gross gains realized of $424,971. There were no securities sales during 2012.

The amortized cost and estimated market value of securities at June 30, 2013, by contractual maturity, are shown below. Expected maturities will differ from contractual maturities because borrowers may have the right to call or prepay obligations with or without call or prepayment penalties.

	Securities Available for Sale				Securities Held to Maturity
	Amortized Cost		Fair Value		Amortized Cost		Fair Value
Due in one year or less	$	-	$	-	$	-	$	-
Due from one year to five years		1,267,705		1,344,690		-		-
Due from five years to ten years		6,038,433		6,394,571		-		-
Due after ten years		13,145,328		13,593,362		-		-
	$	20,451,466	$	21,332,623	$	-	$	-
Mortgage-backed securities		78,515,783		78,444,826		40,014		41,165
	$	98,967,249	$	99,777,449	$	40,014	$	41,165

The following tables present the gross unrealized losses and fair value, aggregated by investment category and length of time that individual securities available for sale have been in a continuous unrealized loss position, as of June 30, 2013 and as of December 31, 2012:

	As of June 30, 2013
	Less than 12 Months				12 Months or Greater				Total
	Fair Value		Gross Unrealized Losses		Fair Value		Gross Unrealized Losses		Fair Value		Gross Unrealized Losses
State and municipal securities	$	1,179,146	$	(3,454)	$	570,530	$	(697)	$	1,749,676	$	(4,151)
Mortgage-backed securities:
Residential mortgage loans guaranteed by GNMA or FNMA		522,683		(776)		-		-		522,683		(776)
Collateralized mortgage obligations issued or guaranteed by U.S.     Government agencies or sponsored agencies		33,398,941		(290,377)		9,990,227		(4,417)		43,389,168		(294,794)
	$	35,100,770	$	(294,607)	$	10,560,757	$	(5,114)	$	45,661,527	$	(299,721)

	As of December 31, 2012
	Less than 12 Months				12 Months or Greater				Total
	Fair Value		Gross Unrealized Losses		Fair Value		Gross Unrealized Losses		Fair Value		Gross Unrealized Losses
Mortgage-backed securities:
Residential mortgage loans guaranteed by GNMA or FNMA	$	667,325	$	(1,824)	$	-	$	-	$	667,325	$	(1,824)
Collateralized mortgage obligations issued or guaranteed by U.S.     Government agencies or sponsored agencies		22,514,641		(14,908)		-		-		22,514,641		(14,908)
	$	23,181,966	$	(16,732)	$	-	$	-	$	23,181,966	$	(16,732)

Upon acquisition of a security, the Bank determines the appropriate impairment model that is applicable. If the security is a beneficial interest in securitized financial assets, the Bank uses the beneficial interests in securitized financial assets impairment model. If the security is not a beneficial interest in securitized financial assets, the Bank uses the debt and equity securities impairment model. The Bank conducts periodic reviews to evaluate each security to determine whether an other-than-temporary impairment has occurred. The Bank does not have any securities that have been classified as other-than-temporarily-impaired at June 30, 2013 or December 31, 2012.

At June 30, 2013 and December 31, 2012, the significant categories of temporarily impaired securities and management’s evaluation of those securities are as follows:

State and municipal securities: At June 30, 2013, three investments in obligations of state and municipal securities had unrealized losses. The Bank believes the unrealized losses on those investments were caused by the interest rate environment and does not relate to the underlying credit quality of the issuers. Because the Bank has the intent and ability to hold those investments for a time necessary to recover their amortized cost bases, which may be until maturity, the Bank does not consider those investments to be other-than-temporarily impaired at June 30, 2013.

Mortgage-backed securities: At June 30, 2013, thirteen investments in residential mortgage-backed securities had unrealized losses. This impairment is believed to be caused by the current interest rate environment. The contractual cash flows of those investments are guaranteed or issued by an agency of the U.S. Government. Because the decline in market value is attributable to the current interest rate environment and not credit quality, and because the Bank does not intend to sell the investments and it is not more likely than not that the Bank will be required to sell the investments before recovery of their amortized cost bases, which may be maturity, the Bank does not deem those investments to be other-than-temporarily impaired at June 30, 2013.

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Presentation of Financial Information

6 Months Ended

Jun. 30, 2013

Organization, Consolidation and Presentation Of Financial Statements [Abstract]

Organization, Consolidation and Presentation of Financial Statements Disclosure and Significant Accounting Policies [Text Block]

Note 1. Presentation of Financial Information

Nature of Business-Cornerstone is a bank holding company whose primary business is performed by its wholly-owned subsidiary, Cornerstone Community Bank (the “Bank”). The Bank provides a full range of banking services to the Chattanooga, Tennessee market. The Bank has also established a loan production office (“LPO”) in Dalton, Georgia to further enhance the Bank’s lending markets.

Interim Financial Information (Unaudited)-The financial information in this report for June 30, 2013 and June 30, 2012 has not been audited. The information included herein should be read in conjunction with the annual consolidated financial statements and footnotes thereto included in the 2012 Annual Report to Shareholders which was furnished to each shareholder of Cornerstone in April of 2013. The consolidated financial statements presented herein conform to U.S. generally accepted accounting principles and to general industry practices. In the opinion of Cornerstone’s management, the accompanying interim financial statements contain all material adjustments, consisting only of normal recurring adjustments, necessary to present fairly the financial condition, the results of operations, and cash flows for the interim period. Results for interim periods are not necessarily indicative of the results to be expected for a full year.

Use of Estimates-The preparation of financial statements in conformity with U.S. generally accepted accounting principles requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosures of contingent assets and liabilities as of the balance sheet date and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates. Material estimates that are particularly susceptible to significant change in the near term include the determination of the allowance for loan losses.

Consolidation-The accompanying consolidated financial statements include the accounts of Cornerstone and the Bank. Substantially all intercompany transactions, profits and balances have been eliminated.

Reclassification-Certain amounts in the prior consolidated financial statements have been reclassified to conform to the current period presentation. The reclassifications had no effect on net income or stockholders’ equity as previously reported.

Accounting Policies-During interim periods, Cornerstone follows the accounting policies set forth in its Annual Report on Form 10-K for the year ended December 31, 2012 as filed with the Securities and Exchange Commission. Since December 31, 2012, there have been no significant changes in any accounting principles or practices, or in the method of applying any such principles or practices, except for the following:

In February 2013, the Financial Accounting Standards Board (FASB) issued updated guidance related to disclosure of reclassification amounts out of other comprehensive income. The standard requires that companies present either in a single note or parenthetically on the face of the financial statements, the effect of significant amounts reclassified from each component of accumulated other comprehensive income based on its source and the income statement line items affected by the reclassification. The new requirements took effect for public companies in fiscal years, and interim periods within those years, beginning after December 15, 2012. The Company adopted this standard on January 1, 2013. The effect of adopting this standard increased our disclosure requirements surrounding reclassification items out of accumulated other comprehensive income.

Earnings per Common Share- Basic earnings per share (“EPS”) is computed by dividing income available to common shareholders (numerator) by the weighted average number of common shares outstanding during the period (denominator). Diluted EPS is computed by dividing income available to common shareholders (numerator) by the adjusted weighted average number of shares outstanding (denominator). The adjusted weighted average number of shares outstanding reflects the potential dilution occurring if securities or other contracts to issue common stock were exercised or converted into common stock resulting in the issuance of common stock that share in the earnings of the entity.

The following is a summary of the basic and diluted earnings per share for the three and six month periods ended June 30, 2013 and June 30, 2012.

	Three Months Ended June 30,
	2013		2012
Basic earnings per common share calculation:
Numerator: Net income available to common shareholders	$	3,186	$	15,313
Denominator: Weighted avg. common shares outstanding		6,547,074		6,500,396
Effect of dilutive stock options		112,416		81,002
Diluted shares		6,659,490		6,581,398
Basic earnings per common share	$	0.00	$	0.00
Diluted earnings per common share	$	0.00	$	0.00

	Six Months Ended June 30,
	2013		2012
Basic earnings per common share calculation:
Numerator: Net income available to common shareholders	$	62,469	$	91,506
Denominator: Weighted avg. common shares outstanding		6,547,074		6,500,396
Effect of dilutive stock options		117,454		83,498
Diluted shares		6,664,528		6,583,894
Basic earnings per common share	$	0.01	$	0.01
Diluted earnings per common share	$	0.01	$	0.01

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Fair Value Disclosures (Details) (USD $)	Jun. 30, 2013	Dec. 31, 2012
Total securities available for sale	$ 99,777,449	$ 76,096,646
Cash surrender value of life insurance	1,216,200	1,199,725
Fair Value, Inputs, Level 1 [Member]
Total securities available for sale	0	0
Cash surrender value of life insurance	0	0
Fair Value, Inputs, Level 2 [Member]
Total securities available for sale	99,777,449	76,096,646
Cash surrender value of life insurance	1,216,200	1,199,725
Fair Value, Inputs, Level 3 [Member]
Total securities available for sale	0	0
Cash surrender value of life insurance	0	0
US Government Agencies Debt Securities [Member]
Total securities available for sale	3,917,460	4,018,151
US Government Agencies Debt Securities [Member] | Fair Value, Inputs, Level 1 [Member]
Total securities available for sale	0	0
US Government Agencies Debt Securities [Member] | Fair Value, Inputs, Level 2 [Member]
Total securities available for sale	3,917,460	4,018,151
US Government Agencies Debt Securities [Member] | Fair Value, Inputs, Level 3 [Member]
Total securities available for sale	0	0
US States and Political Subdivisions Debt Securities [Member]
Total securities available for sale	17,415,163	23,633,317
US States and Political Subdivisions Debt Securities [Member] | Fair Value, Inputs, Level 1 [Member]
Total securities available for sale	0	0
US States and Political Subdivisions Debt Securities [Member] | Fair Value, Inputs, Level 2 [Member]
Total securities available for sale	17,415,163	23,633,317
US States and Political Subdivisions Debt Securities [Member] | Fair Value, Inputs, Level 3 [Member]
Total securities available for sale	0	0
Residential Mortgage Backed Securities [Member]
Total securities available for sale	8,174,509	9,222,419
Residential Mortgage Backed Securities [Member] | Fair Value, Inputs, Level 1 [Member]
Total securities available for sale	0	0
Residential Mortgage Backed Securities [Member] | Fair Value, Inputs, Level 2 [Member]
Total securities available for sale	8,174,509	9,222,419
Residential Mortgage Backed Securities [Member] | Fair Value, Inputs, Level 3 [Member]
Total securities available for sale	0	0
Collateralized Debt Obligations [Member]
Total securities available for sale	70,270,317	39,222,759
Collateralized Debt Obligations [Member] | Fair Value, Inputs, Level 1 [Member]
Total securities available for sale	0	0
Collateralized Debt Obligations [Member] | Fair Value, Inputs, Level 2 [Member]
Total securities available for sale	70,270,317	39,222,759
Collateralized Debt Obligations [Member] | Fair Value, Inputs, Level 3 [Member]
Total securities available for sale	$ 0	$ 0

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Securities (Details 1) (USD $)	Jun. 30, 2013	Dec. 31, 2012
Securities Available-for-Sale, Due in one year or less, Amortized Cost	$ 0
Securities Available-for-Sale, Due from one year to five years, Amortized Cost	1,267,705
Securities Available-for-Sale, Due from five years to ten years, Amortized Cost	6,038,433
Securities Available-for-Sale, Due after ten years, Amortized Cost	13,145,328
Securities Available-for-Sale, Debt securities, Amortized Cost	20,451,466
Securities Available-for-Sale, Mortgage-backed securities, Amortized Cost	78,515,783
Securities Available-for-Sale, Amortized Cost	98,967,249
Securities Available-for-Sale, Due in one year or less, Fair Value	0
Securities Available-for-Sale, Due from one year to five years, Fair Value	1,344,690
Securities Available-for-Sale, Due from five years to ten years, Fair Value	6,394,571
Securities Available-for-Sale, Due after ten years, Fair Value	13,593,362
Securities Available-for-Sale, Debt securities, Fair Value	21,332,623
Securities Available-for-Sale, Mortgage-backed securities, Fair Value	78,444,826
Securities Available-for-Sale, Fair Value	99,777,449	76,096,646
Securities Held to Maturity, Due in one year or less, Amortized Cost	0
Securities Held to Maturity, Due from one year to five years, Amortized Cost	0
Securities Held to Maturity, Due from five years to ten years, Amortized Cost	0
Securities Held to Maturity, Due after ten years, Amortized Cost	0
Securities Held to Maturity, Debt securities, Amortized Cost	0
Securities Held to Maturity, Mortgage-backed securities, Amortized Cost	40,014
Securities Held to Maturity, Amortized Cost	40,014	45,086
Securities Held to Maturity, Due in one year or less, Fair Value	0
Securities Held to Maturity, Due from one year to five years, Fair Value	0
Securities Held to Maturity, Due from five years to ten years, Fair Value	0
Securities Held to Maturity, Due after ten years, Fair Value	0
Securities Held to Maturity, Debt securities, Fair Value	0
Securities Held to Maturity, Mortgage-backed securities, Fair Value	41,165
Securities Held to Maturity, Fair Value	$ 41,165	$ 46,212

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Loans and Allowance for Loan Losses (Details 1) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Total	$ 276,063	$ 276,991
Commercial Real Estate Mortgage [Member]
Total	128,141	125,172
Consumer Real Estate Mortgage [Member]
Total	67,345	71,195
Construction and Land Development [Member]
Total	36,185	38,557
Commercial and Industrial Loans [Member]
Total	42,374	40,140
Consumer and Other Loans [Member]
Total	2,018	1,927
Performing Loans [Member]
Total	259,092	261,802
Performing Loans [Member] | Commercial Real Estate Mortgage [Member]
Total	117,910	115,959
Performing Loans [Member] | Consumer Real Estate Mortgage [Member]
Total	63,782	69,329
Performing Loans [Member] | Construction and Land Development [Member]
Total	35,762	37,607
Performing Loans [Member] | Commercial and Industrial Loans [Member]
Total	39,620	36,980
Performing Loans [Member] | Consumer and Other Loans [Member]
Total	2,018	1,927
Impaired Loans [Member]
Total	16,971	15,189
Impaired Loans [Member] | Commercial Real Estate Mortgage [Member]
Total	10,231	9,213
Impaired Loans [Member] | Consumer Real Estate Mortgage [Member]
Total	3,563	1,866
Impaired Loans [Member] | Construction and Land Development [Member]
Total	423	950
Impaired Loans [Member] | Commercial and Industrial Loans [Member]
Total	2,754	3,160
Impaired Loans [Member] | Consumer and Other Loans [Member]
Total	$ 0	$ 0

XML

Loans and Allowance for Loan Losses (Details 6) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
30-89 Days Past Due and Accruing	$ 5,111	$ 6,594
Past Due 90 Days or More and Accruing	0	0
Nonaccrual	6,883	6,005
Total Past Due	11,994	12,599
Current Loans	264,069	264,392
Total Loans	276,063	276,991
Commercial Real Estate Owner Occupied [Member]
30-89 Days Past Due and Accruing	1,852	2,738
Past Due 90 Days or More and Accruing	0	0
Nonaccrual	605	956
Total Past Due	2,457	3,694
Current Loans	58,268	54,731
Total Loans	60,725	58,425
Commercial Real Estate All Other [Member]
30-89 Days Past Due and Accruing	1,501	636
Past Due 90 Days or More and Accruing	0	0
Nonaccrual	2,419	1,913
Total Past Due	3,920	2,549
Current Loans	63,496	64,198
Total Loans	67,416	66,747
Consumer Real Estate Mortgage [Member]
30-89 Days Past Due and Accruing	872	1,858
Past Due 90 Days or More and Accruing	0	0
Nonaccrual	787	616
Total Past Due	1,659	2,474
Current Loans	65,686	68,721
Total Loans	67,345	71,195
Construction and Land Development [Member]
30-89 Days Past Due and Accruing	113	100
Past Due 90 Days or More and Accruing	0	0
Nonaccrual	45	53
Total Past Due	158	153
Current Loans	36,027	38,404
Total Loans	36,185	38,557
Commercial and Industrial Loans [Member]
30-89 Days Past Due and Accruing	772	1,227
Past Due 90 Days or More and Accruing	0	0
Nonaccrual	3,027	2,467
Total Past Due	3,799	3,694
Current Loans	38,575	36,446
Total Loans	42,374	40,140
Consumer and Other Loans [Member]
30-89 Days Past Due and Accruing	1	35
Past Due 90 Days or More and Accruing	0	0
Nonaccrual	0	0
Total Past Due	1	35
Current Loans	2,017	1,892
Total Loans	$ 2,018	$ 1,927

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Consolidated Balance Sheets [Parenthetical] (USD $)	Jun. 30, 2013	Dec. 31, 2012
Securities held to maturity, fair value (in dollars)	$ 41,165	$ 46,212
Allowance for loan losses (in dollars)	$ 5,094,740	$ 6,141,281
Preferred stock, shares authorized	2,000,000	2,000,000
Preferred stock, shares issued	600,000	600,000
Preferred stock, shares outstanding	600,000	600,000
Common stock, par value (in dollars per share)	$ 1.00	$ 1.00
Common stock, shares authorized	20,000,000	20,000,000
Common stock, shares issued	6,709,199	6,709,199
Common stock, shares outstanding	6,547,074	6,500,396

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Fair Value Disclosures

6 Months Ended

Jun. 30, 2013

Fair Value Disclosures [Abstract]

Fair Value Disclosures [Text Block]

Note 6. Fair Value Disclosures

Fair Value Measurements:

Cornerstone uses fair value measurements to record fair value adjustments to certain assets and liabilities and to determine fair value disclosures. In accordance with the “Fair Value Measurements and Disclosure” ASC Topic 820, the fair value of a financial instrument is the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date. Fair value is best determined based upon quoted market prices. In cases where quoted market prices are not available, fair values are based on estimates using present value or other valuation techniques. Those techniques are significantly affected by the assumptions used, including the discount rate and estimates of future cash flows. Accordingly, the fair value estimates may not be realized in an immediate settlement of the instrument.

ASC Topic 820 provides a consistent definition of fair value, which focuses on exit price in an orderly transaction between market participants at the measurement date under current market conditions. If there has been a significant decrease in the volume and level of activity for the asset or liability, a change in valuation technique or the use of multiple valuation techniques may be appropriate. In such instances, determining the price at which willing market participants would transact at the measurement date under current market conditions depends on the facts and circumstances and requires the use of significant judgment. The fair value is a reasonable point within the range that is most representative of fair value under current market conditions.

ASC Topic 820 also establishes a three-tier fair value hierarchy which requires an entity to maximize the use of observable inputs and minimize the use of unobservable inputs when measuring fair value, as follows:

Level 1 - Quoted prices (unadjusted) in active markets for identical assets or liabilities that Cornerstone has the ability to access.

Level 2 - Significant other observable inputs other than Level 1 prices, such as quoted prices for similar assets or liabilities in active markets, quoted prices in markets that are not active and other inputs that are observable or can be corroborated by observable market data.

Level 3 - Significant unobservable inputs that reflect a company’s own assumptions about the assumptions that market participants would use in pricing an asset or liability.

A financial instrument’s categorization within the valuation hierarchy is based upon the lowest level of input that is significant to the fair value measurement.

The following methods and assumptions were used by Cornerstone in estimating fair value disclosures for financial instruments. There have been no changes in the methodologies used at June 30, 2013 and December 31, 2012.

Cash and cash equivalents:

The carrying amounts of cash and cash equivalents approximate fair values based on the short-term nature of the assets.

Securities:

Fair values are estimated using pricing models and discounted cash flows that consider standard input factors such as observable market data, benchmark yields, interest rate volatilities, broker/dealer quotes, and credit spreads. Securities classified as available for sale are reported at fair value utilizing Level 2 inputs.

The carrying value of Federal Home Loan Bank stock approximates fair value based on the redemption provisions of the Federal Home Loan Bank.

Loans:

For variable-rate loans that reprice frequently and with no significant change in credit risk, fair values are based on carrying values. Fair values for fixed-rate loans are estimated using discounted cash flow analysis, using market interest rates for comparable loans. Generally, Level 3 inputs are utilized for this estimate. Loans for which it is probable that payment of interest and principal will not be made in accordance with the contractual terms of the loan agreement are considered impaired. Once a loan is identified as individually impaired, management measures impairment in accordance with ASC Topic 310, Accounting by Creditors for Impairment of a Loan. The fair value of impaired loans is estimated using several methods including collateral value, liquidation value and discounted cash flows.

Those impaired loans not requiring an allowance represent loans for which the fair value of the expected repayments or collateral exceed the recorded investments in such loans. At June 30, 2013 and December 31, 2012, substantially all of the total impaired loans were evaluated based on the fair value of collateral. In accordance with ASC Topic 820, impaired loans where an allowance is established based on the fair value of collateral require classification in the fair value hierarchy. When the fair value of the collateral is based on an observable market price or a current appraised value, Cornerstone records the impaired loan as nonrecurring Level 2. When an appraised value is not available or management determines the fair value of the collateral is further impaired below the appraised value and there is no observable market price, Cornerstone records the impaired loan as nonrecurring Level 3.

Cash surrender value of life insurance:

The carrying amounts of cash surrender value of life insurance approximate their fair value. The carrying amount is based on information received from the insurance carriers indicating the financial performance of the policies and the amount Cornerstone would receive should the policies be surrendered. Cornerstone reflects these assets within Level 2 of the valuation hierarchy.

Foreclosed assets:

Foreclosed assets, consisting of properties obtained through foreclosure or in satisfaction of loans, are initially recorded at fair value, determined on the basis of current appraisals, comparable sales, and other estimates of value obtained principally from independent sources, adjusted for estimated selling costs. At the time of foreclosure, any excess of the loan balance over the fair value of the real estate held as collateral is treated as a charge against the allowance for loan losses. Gains or losses on sale and any subsequent adjustment to the fair value are recorded as a component of foreclosed real estate expense. Foreclosed assets are included in Level 2 of the valuation hierarchy.

Deposits:

The fair value of deposits with no stated maturity, such as noninterest-bearing and interest-bearing demand deposits, savings deposits, and money market accounts, is equal to the amount payable on demand at the reporting date. The carrying amounts of variable-rate, fixed-term certificates of deposit approximate their fair values at the reporting date. Fair values for fixed-rate certificates of deposit are estimated using a discounted cash flow calculation that applies market interest rates on comparable instruments to a schedule of aggregated expected monthly maturities on time deposits. Generally, Level 3 inputs are utilized in this estimate.

Securities sold under agreements to repurchase:

The carrying amount of these liabilities approximates their estimated fair value.

Federal Home Loan Bank advances and other borrowings:

The carrying amounts of FHLB advances and other borrowings approximate their fair value.

Accrued interest: The carrying amounts of accrued interest approximate fair value.

Commitments to extend credit, letters of credit and lines of credit:

The fair value of commitments is estimated using the fees currently charged to enter into similar agreements, taking into account the remaining terms of the agreements and the present creditworthiness of the counterparties. For fixed-rate loan commitments, fair value also considers the difference between current levels of interest rates and the committed rates.

Assets and liabilities recorded at fair value on a recurring basis are as follows.

	Balance as of June 30, 2013		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Other Unobservable Inputs (Level 3)
Debt securities available for sale:
U.S. Government agencies	$	3,917,460	$	-	$	3,917,460	$	-
State and municipal securities		17,415,163		-		17,415,163		-
Mortgage-backed securities:
Residential mortgage loans guaranteed by GNMA or FNMA		8,174,509		-		8,174,509		-
Collateralized mortgage obligations issued or guaranteed by U.S. Government agencies or sponsored agencies		70,270,317		-		70,270,317		-
Total securities available for sale	$	99,777,449	$	-	$	99,777,449	$	-
Cash surrender value of life insurance	$	1,216,200	$	-	$	1,216,200	$	-

	Balance as of December 31, 2012		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Other Unobservable Inputs (Level 3)
Debt securities available for sale:
U.S. Government agencies	$	4,018,151	$	-	$	4,018,151	$	-
State and municipal securities		23,633,317		-		23,633,317		-
Mortgage-backed securities:
Residential mortgage loans guaranteed by GNMA or FNMA		9,222,419		-		9,222,419		-
Collateralized mortgage obligations issued or guaranteed by U.S. Government agencies or sponsored agencies		39,222,759		-		39,222,759		-
Total securities available for sale	$	76,096,646	$	-	$	76,096,646	$	-
Cash surrender value of life insurance	$	1,199,725	$	-	$	1,199,725	$	-

Cornerstone has no assets or liabilities whose fair values are measured on a recurring basis using Level 3 inputs.

Certain assets and liabilities are measured at fair value on a nonrecurring basis, which means the assets and liabilities are not measured at fair value on an ongoing basis but are subject to fair value adjustments in certain circumstances (for example, when there is evidence of impairment). The tables below present information about assets and liabilities on the balance sheet at June 30, 2013 and December 31, 2012 for which a nonrecurring change in fair value was recorded (amounts in thousands).

	Balance as of June 30, 2013		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Other Unobservable Inputs (Level 3)
Impaired loans	$	3,691	$	-	$	3,691	$	-
Foreclosed assets (OREO & Repossessions)		18,867		-		18,867		-

	Balance as of December 31, 2012		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Other Unobservable Inputs (Level 3)
Impaired loans	$	4,869	$	-	$	4,869	$	-
Foreclosed assets (OREO & Repossessions)		20,332		-		20,332		-

Loans include impaired loans held for investment for which an allowance for loan losses has been calculated based upon the fair value of the loans at June 30, 2013 and December 31, 2012. Losses derived from Level 2 inputs were calculated by models incorporating significant observable market data.

The carrying amount and estimated fair value of Cornerstone's financial instruments at June 30, 2013 and December 31, 2012 are as follows (in thousands):

	June 30, 2013				December 31, 2012
	Carrying Amount		Estimated Fair Value		Carrying Amount		Estimated Fair Value
Assets:
Cash and cash equivalents	$	28,701	$	28,701	$	59,395	$	59,395
Securities		99,817		99,816		76,142		76,143
Federal Home Loan Bank stock		2,323		2,323		2,323		2,323
Loans, net		270,968		270,959		270,850		271,128
Cash surrender value of life insurance		1,216		1,216		1,200		1,200
Accrued interest receivable		1,153		1,153		1,214		1,214
Liabilities:
Noninterest-bearing demand deposits		60,094		60,094		60,054		60,054
Interest-bearing demand deposits		24,614		24,614		30,179		30,179
Savings deposits and money market accounts		90,453		90,453		80,994		80,994
Time deposits		164,038		164,365		173,654		175,177
Federal funds purchased and securities sold under agreements to repurchase		22,907		22,907		19,587		19,587
Federal Home Loan Bank advances and other borrowings		31,740		31,740		37,175		37,175
Accrued interest payable		93		93		121		121
Unrecognized financial instruments (net of contract amount):
Commitments to extend credit		-		-		-		-
Letters of credit		-		-		-		-
Lines of credit		-		-		-		-

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Consolidated Statements of Comprehensive Income (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Net income	$ 396,031	$ 310,585	$ 848,159	$ 667,102
Other comprehensive income, net of tax:
Unrealized holding (losses) gains arising during the period, net of tax benefit (expense)	(474,341)	235,651	(696,892)	197,671
Reclassification adjustment for gains included in net income, net of tax expense	(263,482)	0	(263,482)	0
Total other comprehensive (loss) income	(737,823)	235,651	(960,374)	197,671
Comprehensive (loss) income	$ (341,792)	$ 546,236	$ (112,215)	$ 864,773

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Consolidated Balance Sheets (USD $)	Jun. 30, 2013	Dec. 31, 2012
ASSETS
Cash and due from banks	$ 1,600,127	$ 3,222,139
Interest-bearing deposits at other financial institutions	27,100,735	56,173,099
Total cash and cash equivalents	28,700,862	59,395,238
Securities available for sale	99,777,449	76,096,646
Securities held to maturity (fair value approximates $41,165 and $46,212 at June 30, 2013 and December 31, 2012, respectively)	40,014	45,086
Federal Home Loan Bank stock, at cost	2,322,900	2,322,900
Loans, net of allowance for loan losses of $5,094,740 and $6,141,281 at June 30, 2013 and December 31, 2012, respectively	270,967,656	270,850,465
Bank premises and equipment, net	5,183,270	5,399,340
Accrued interest receivable	1,152,927	1,213,778
Foreclosed assets	18,866,526	20,332,313
Other assets	8,322,485	7,790,634
Total assets	435,334,089	443,446,400
LIABILITIES AND STOCKHOLDERS' EQUITY
Noninterest-bearing demand deposits	60,094,019	60,053,838
Interest-bearing demand deposits	24,613,914	30,178,624
Savings deposits and money market accounts	90,452,881	80,994,239
Time deposits	164,038,451	173,653,892
Total deposits	339,199,265	344,880,593
Accrued interest payable	93,464	120,558
Federal funds purchased and securities sold under agreements to repurchase	22,907,064	19,587,387
Federal Home Loan Bank advances and other borrowings	31,740,000	37,175,000
Other liabilities	1,160,021	794,026
Total liabilities	395,099,814	402,557,564
Stockholders' equity:
Preferred stock - no par value; 2,000,000 shares authorized; 600,000 shares issued and outstanding in 2013 and 2012, respectively	14,857,236	14,821,546
Common stock - $1.00 par value; 20,000,000 shares authorized; 6,709,199 shares issued in 2013 and 2012; 6,547,074 and 6,500,396 shares outstanding in 2013 and 2012, respectively	6,547,074	6,500,396
Additional paid-in capital	21,485,355	21,390,486
Accumulated deficit	(3,146,410)	(3,274,986)
Accumulated other comprehensive income	491,020	1,451,394
Total stockholders' equity	40,234,275	40,888,836
Total liabilities and stockholders' equity	$ 435,334,089	$ 443,446,400

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Securities (Details 2) (USD $)	6 Months Ended	12 Months Ended
	Jun. 30, 2013	Dec. 31, 2012
Less than 12 Months, Fair Value	$ 35,100,770	$ 23,181,966
Less than 12 Months, Gross Unrealized Losses	(294,607)	(16,732)
12 Months or Greater, Fair Value	10,560,757	0
12 Months or Greater, Gross Unrealized Losses	(5,114)	0
Total, Fair Value	45,661,527	23,181,966
Total, Gross Unrealized Losses	(299,721)	(16,732)
US States and Political Subdivisions Debt Securities [Member]
Less than 12 Months, Fair Value	1,179,146
Less than 12 Months, Gross Unrealized Losses	(3,454)
12 Months or Greater, Fair Value	570,530
12 Months or Greater, Gross Unrealized Losses	(697)
Total, Fair Value	1,749,676
Total, Gross Unrealized Losses	(4,151)
Residential Mortgage Backed Securities [Member]
Less than 12 Months, Fair Value	522,683	667,325
Less than 12 Months, Gross Unrealized Losses	(776)	(1,824)
12 Months or Greater, Fair Value	0	0
12 Months or Greater, Gross Unrealized Losses	0	0
Total, Fair Value	522,683	667,325
Total, Gross Unrealized Losses	(776)	(1,824)
Collateralized Debt Obligations [Member]
Less than 12 Months, Fair Value	33,398,941	22,514,641
Less than 12 Months, Gross Unrealized Losses	(290,377)	(14,908)
12 Months or Greater, Fair Value	9,990,227	0
12 Months or Greater, Gross Unrealized Losses	(4,417)	0
Total, Fair Value	43,389,168	22,514,641
Total, Gross Unrealized Losses	$ (294,794)	$ (14,908)

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Stock Based Compensation (Details) (Officer and Employee Plans [Member], USD $)	6 Months Ended	12 Months Ended
	Jun. 30, 2013	Dec. 31, 2012
Officer and Employee Plans [Member]
Number, Outstanding (in shares)	670,300
Number, Granted (in shares)	193,000
Number, Exercised (in shares)	0
Number, Forfeited (in shares)	(57,475)
Number, Outstanding (in shares)	805,825	670,300
Number, Options exercisable (in shares)	304,025
Weighted Average Exercisable Price, Outstanding (in dollars per share)	$ 3.86
Weighted Average Exercisable Price, Granted (in dollars per share)	$ 2.37
Weighted Average Exercisable Price, Exercised (in dollars per share)	$ 0
Weighted Average Exercisable Price, Forfeited (in dollars per share)	$ (3.51)
Weighted Average Exercisable Price Outstanding (in dollars per share)	$ 3.52	$ 3.86
Weighted Average Exercisable Price Options exercisable (in dollars per share)	$ 6.15
Weighted-Average Contractual Remaining Term, Outstanding (in years)	7 years	6 years 2 months 12 days
Weighted-Average Contractual Remaining Term, Granted (in years)	9 years 8 months 12 days
Aggregate Intrinsic Value, Outstanding	$ 232,900
Aggregate Intrinsic Value, Outstanding	$ 185,370	$ 232,900

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Loans and Allowance for Loan Losses (Details Textual) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2013	Dec. 31, 2012
Description Of Bank's Loan Grading Process	The Banks loan grading process is as follows: All loans are assigned a loan grade at the time of origination by the relationship manager. Typically, a loan is assigned a loan grade of pass at origination. Loan relationships greater than or equal to $500 thousand are reviewed by the Banks external loan review provider on an annual basis. The Banks internal loan review department samples approximately 33 percent of all other loan relationships less than $500 thousand on an annual basis for review. If a loan is delinquent 60 days or more or a pattern of delinquency exists, the loan will be selected for review. Generally, all loans on the Banks internal watchlist are reviewed annually by internal loan review or external loan review providers.
Financing Receivable, Modifications, Recorded Investment	$ 8,366,000	$ 9,403,000

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Loans and Allowance for Loan Losses (Details 4) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Loans and Leases Receivable, Gross, Carrying Amount	$ 276,063	$ 276,991
Commercial Real Estate Mortgage [Member]
Loans and Leases Receivable, Gross, Carrying Amount	128,141	125,172
Consumer Real Estate Mortgage [Member]
Loans and Leases Receivable, Gross, Carrying Amount	67,345	71,195
Construction and Land Development [Member]
Loans and Leases Receivable, Gross, Carrying Amount	36,185	38,557
Commercial and Industrial Loans [Member]
Loans and Leases Receivable, Gross, Carrying Amount	42,374	40,140
Consumer and Other Loans [Member]
Loans and Leases Receivable, Gross, Carrying Amount	2,018	1,927
Pass [Member]
Loans and Leases Receivable, Gross, Carrying Amount	242,393	244,460
Pass [Member] | Commercial Real Estate Mortgage [Member]
Loans and Leases Receivable, Gross, Carrying Amount	115,228	111,313
Pass [Member] | Consumer Real Estate Mortgage [Member]
Loans and Leases Receivable, Gross, Carrying Amount	54,884	57,959
Pass [Member] | Construction and Land Development [Member]
Loans and Leases Receivable, Gross, Carrying Amount	35,213	36,802
Pass [Member] | Commercial and Industrial Loans [Member]
Loans and Leases Receivable, Gross, Carrying Amount	35,050	36,482
Pass [Member] | Consumer and Other Loans [Member]
Loans and Leases Receivable, Gross, Carrying Amount	2,018	1,904
Special Mention [Member]
Loans and Leases Receivable, Gross, Carrying Amount	12,846	13,092
Special Mention [Member] | Commercial Real Estate Mortgage [Member]
Loans and Leases Receivable, Gross, Carrying Amount	2,185	4,145
Special Mention [Member] | Consumer Real Estate Mortgage [Member]
Loans and Leases Receivable, Gross, Carrying Amount	6,171	8,401
Special Mention [Member] | Construction and Land Development [Member]
Loans and Leases Receivable, Gross, Carrying Amount	98	198
Special Mention [Member] | Commercial and Industrial Loans [Member]
Loans and Leases Receivable, Gross, Carrying Amount	4,392	330
Special Mention [Member] | Consumer and Other Loans [Member]
Loans and Leases Receivable, Gross, Carrying Amount	0	18
Substandard [Member]
Loans and Leases Receivable, Gross, Carrying Amount	3,853	4,250
Substandard [Member] | Commercial Real Estate Mortgage [Member]
Loans and Leases Receivable, Gross, Carrying Amount	497	501
Substandard [Member] | Consumer Real Estate Mortgage [Member]
Loans and Leases Receivable, Gross, Carrying Amount	2,727	2,969
Substandard [Member] | Construction and Land Development [Member]
Loans and Leases Receivable, Gross, Carrying Amount	451	607
Substandard [Member] | Commercial and Industrial Loans [Member]
Loans and Leases Receivable, Gross, Carrying Amount	178	168
Substandard [Member] | Consumer and Other Loans [Member]
Loans and Leases Receivable, Gross, Carrying Amount	0	5
Substandard Impaired [Member]
Loans and Leases Receivable, Gross, Carrying Amount	15,697	15,189
Substandard Impaired [Member] | Commercial Real Estate Mortgage [Member]
Loans and Leases Receivable, Gross, Carrying Amount	8,957	9,213
Substandard Impaired [Member] | Consumer Real Estate Mortgage [Member]
Loans and Leases Receivable, Gross, Carrying Amount	3,563	1,866
Substandard Impaired [Member] | Construction and Land Development [Member]
Loans and Leases Receivable, Gross, Carrying Amount	423	950
Substandard Impaired [Member] | Commercial and Industrial Loans [Member]
Loans and Leases Receivable, Gross, Carrying Amount	2,754	3,160
Substandard Impaired [Member] | Consumer and Other Loans [Member]
Loans and Leases Receivable, Gross, Carrying Amount	0	0
Doubtful [Member]
Loans and Leases Receivable, Gross, Carrying Amount	1,274
Doubtful [Member] | Commercial Real Estate Mortgage [Member]
Loans and Leases Receivable, Gross, Carrying Amount	1,274
Doubtful [Member] | Consumer Real Estate Mortgage [Member]
Loans and Leases Receivable, Gross, Carrying Amount	0
Doubtful [Member] | Construction and Land Development [Member]
Loans and Leases Receivable, Gross, Carrying Amount	0
Doubtful [Member] | Commercial and Industrial Loans [Member]
Loans and Leases Receivable, Gross, Carrying Amount	0
Doubtful [Member] | Consumer and Other Loans [Member]
Loans and Leases Receivable, Gross, Carrying Amount	$ 0

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Loans and Allowance for Loan Losses (Details 5) (USD $) In Thousands, unless otherwise specified	6 Months Ended	12 Months Ended
	Jun. 30, 2013	Dec. 31, 2012
Impaired loans without a valuation allowance, Recorded Investment	$ 10,050	$ 6,274
Impaired loans without a valuation allowance, Unpaid Principal Balance	10,741	6,399
Impaired loans without a valuation allowance, Related Allowance	0	0
Impaired loans without a valuation allowance, Average Recorded Investment	8,930	8,562
Impaired loans without a valuation allowance, Interest Income Recognized	256	306
Impaired loans with a valuation allowance, Recorded Investment	6,921	8,915
Impaired loans with a valuation allowance, Unpaid Principal Balance	6,980	8,956
Impaired loans with a valuation allowance, Related Allowance	3,230	4,046
Impaired loans with a valuation allowance, Average Recorded Investment	7,701	10,564
Impaired loans with a valuation allowance, Interest Income Recognized	202	457
Total impaired loans, Recorded Investment	16,971	15,189
Total impaired loans, Unpaid Principal Balance	17,721	15,355
Total impaired loans, Related Allowance	3,230	4,046
Total impaired loans, Average Recorded Investment	16,631	19,126
Total impaired loans, Interest Income Recognized	458	763
Commercial Real Estate Mortgage [Member]
Impaired loans without a valuation allowance, Recorded Investment	5,324	3,406
Impaired loans without a valuation allowance, Unpaid Principal Balance	5,390	3,453
Impaired loans without a valuation allowance, Related Allowance	0	0
Impaired loans without a valuation allowance, Average Recorded Investment	4,719	4,389
Impaired loans without a valuation allowance, Interest Income Recognized	148	180
Impaired loans with a valuation allowance, Recorded Investment	4,907	5,807
Impaired loans with a valuation allowance, Unpaid Principal Balance	4,965	5,848
Impaired loans with a valuation allowance, Related Allowance	2,573	2,230
Impaired loans with a valuation allowance, Average Recorded Investment	5,271	6,616
Impaired loans with a valuation allowance, Interest Income Recognized	115	215
Consumer Real Estate Mortgage [Member]
Impaired loans without a valuation allowance, Recorded Investment	2,315	513
Impaired loans without a valuation allowance, Unpaid Principal Balance	2,867	540
Impaired loans without a valuation allowance, Related Allowance	0	0
Impaired loans without a valuation allowance, Average Recorded Investment	1,784	1,538
Impaired loans without a valuation allowance, Interest Income Recognized	74	52
Impaired loans with a valuation allowance, Recorded Investment	1,248	1,353
Impaired loans with a valuation allowance, Unpaid Principal Balance	1,248	1,353
Impaired loans with a valuation allowance, Related Allowance	280	576
Impaired loans with a valuation allowance, Average Recorded Investment	1,182	2,606
Impaired loans with a valuation allowance, Interest Income Recognized	47	61
Construction and Land Development [Member]
Impaired loans without a valuation allowance, Recorded Investment	423	244
Impaired loans without a valuation allowance, Unpaid Principal Balance	436	251
Impaired loans without a valuation allowance, Related Allowance	0	0
Impaired loans without a valuation allowance, Average Recorded Investment	379	358
Impaired loans without a valuation allowance, Interest Income Recognized	8	19
Impaired loans with a valuation allowance, Recorded Investment	0	706
Impaired loans with a valuation allowance, Unpaid Principal Balance	0	706
Impaired loans with a valuation allowance, Related Allowance	0	460
Impaired loans with a valuation allowance, Average Recorded Investment	395	642
Impaired loans with a valuation allowance, Interest Income Recognized	0	49
Commercial and Industrial Loans [Member]
Impaired loans without a valuation allowance, Recorded Investment	1,988	2,111
Impaired loans without a valuation allowance, Unpaid Principal Balance	2,048	2,155
Impaired loans without a valuation allowance, Related Allowance	0	0
Impaired loans without a valuation allowance, Average Recorded Investment	2,048	2,277
Impaired loans without a valuation allowance, Interest Income Recognized	26	55
Impaired loans with a valuation allowance, Recorded Investment	766	1,049
Impaired loans with a valuation allowance, Unpaid Principal Balance	767	1,049
Impaired loans with a valuation allowance, Related Allowance	377	780
Impaired loans with a valuation allowance, Average Recorded Investment	853	700
Impaired loans with a valuation allowance, Interest Income Recognized	$ 40	$ 132

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Commitments and Contingent Liabilities

6 Months Ended

Jun. 30, 2013

Commitments and Contingencies Disclosure [Abstract]

Commitments and Contingencies Disclosure [Text Block]

Note 5. Commitments and Contingent Liabilities

Off Balance Sheet Arrangements - In the normal course of business, the Bank has entered into off-balance sheet financial instruments which include commitments to extend credit (i.e., including unfunded lines of credit) and standby letters of credit. Commitments to extend credit are usually the result of lines of credit granted to existing borrowers under agreements that the total outstanding indebtedness will not exceed a specific amount during the term of the indebtedness. Typical borrowers are commercial concerns that use lines of credit to supplement their treasury management functions; thus their total outstanding indebtedness may fluctuate during any time period based on the seasonality of their business and the resultant timing of their cash flows. Other typical lines of credit are related to home equity loans granted to consumers. Commitments to extend credit generally have fixed expiration dates or other termination clauses and may require payment of a fee.

Standby letters of credit are generally issued on behalf of an applicant (our customer) to a specifically named beneficiary and are the result of a particular business arrangement that exists between the applicant and the beneficiary. Standby letters of credit have fixed expiration dates and are usually for terms of two years or less unless terminated beforehand due to criteria specified in the standby letter of credit. A typical arrangement involves the applicant routinely being indebted to the beneficiary for such items as inventory purchases, insurance, utilities, lease guarantees or other third party commercial transactions. The standby letter of credit would permit the beneficiary to obtain payment from the Bank under certain prescribed circumstances. Subsequently, the Bank would seek reimbursement from the applicant pursuant to the terms of the standby letter of credit.

The Bank follows the same credit policies and underwriting practices when making these commitments as it does for on-balance sheet instruments. Each customer’s creditworthiness is evaluated on a case-by-case basis, and the amount of collateral obtained, if any, is based on management’s credit evaluation of the customer. Collateral held varies but may include cash, real estate and improvements, marketable securities, accounts receivable, inventory, equipment and personal property.

The contractual amounts of these commitments are not reflected in the consolidated financial statements and would only be reflected if drawn upon. Since many of the commitments are expected to expire without being drawn upon, the contractual amounts do not necessarily represent future cash requirements. However, should the commitments be drawn upon and should customers default on their resulting obligation to, the Bank’s maximum exposure to credit loss, without consideration of collateral, is represented by the contractual amount of those instruments.

A summary of the Bank’s total contractual amount for all off-balance sheet commitments at June 30, 2013 is as follows:

Commitments to extend credit	$31.4 million
Standby letters of credit	$205 thousand

Various legal claims also arise from time to time in the normal course of business. In the opinion of management, the resolution of claims outstanding at June 30, 2013 will not have a material effect on Cornerstone’s consolidated financial statements.

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Securities (Details Textual) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Total Fair Value Of Federal Funds Pledged	$ 50,000,000		$ 50,000,000
Securities available for sale	5,328,170		21,494,189	19,474,936
Net gains from sale of securities	$ 424,971	$ 0	$ 424,971	$ 0

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Fair Value Disclosures (Details 1) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Impaired loans	$ 3,691	$ 4,869
Foreclosed assets (OREO & Repossessions)	18,867	20,332
Fair Value, Inputs, Level 1 [Member]
Impaired loans	0	0
Foreclosed assets (OREO & Repossessions)	0	0
Fair Value, Inputs, Level 2 [Member]
Impaired loans	3,691	4,869
Foreclosed assets (OREO & Repossessions)	18,867	20,332
Fair Value, Inputs, Level 3 [Member]
Impaired loans	0	0
Foreclosed assets (OREO & Repossessions)	$ 0	$ 0

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Presentation of Financial Information (Tables)

6 Months Ended

Jun. 30, 2013

Organization, Consolidation and Presentation Of Financial Statements [Abstract]

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

The following is a summary of the basic and diluted earnings per share for the three and six month periods ended June 30, 2013 and June 30, 2012.

	Three Months Ended June 30,
	2013		2012
Basic earnings per common share calculation:
Numerator: Net income available to common shareholders	$	3,186	$	15,313
Denominator: Weighted avg. common shares outstanding		6,547,074		6,500,396
Effect of dilutive stock options		112,416		81,002
Diluted shares		6,659,490		6,581,398
Basic earnings per common share	$	0.00	$	0.00
Diluted earnings per common share	$	0.00	$	0.00

	Six Months Ended June 30,
	2013		2012
Basic earnings per common share calculation:
Numerator: Net income available to common shareholders	$	62,469	$	91,506
Denominator: Weighted avg. common shares outstanding		6,547,074		6,500,396
Effect of dilutive stock options		117,454		83,498
Diluted shares		6,664,528		6,583,894
Basic earnings per common share	$	0.01	$	0.01
Diluted earnings per common share	$	0.01	$	0.01

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Loans and Allowance for Loan Losses

6 Months Ended

Jun. 30, 2013

Receivables [Abstract]

Loans, Notes, Trade and Other Receivables Disclosure [Text Block]

Note 4. Loans and Allowance for Loan Losses

At June 30, 2013 and December 31, 2012, loans are summarized as follows (in thousands):

	June 30,					December 31,
	2013		Percent			2012		Percent
Commercial real estate-mortgage:
Owner-occupied	$	60,725		22.00	%	$	58,425		21.09	%
All other		67,416		24.42	%		66,747		24.10	%
Consumer real estate-mortgage		67,345		24.39	%		71,195		25.70	%
Construction and land development		36,185		13.11	%		38,557		13.92	%
Commercial and industrial		42,374		15.35	%		40,140		14.49	%
Consumer and other		2,018		0.73	%		1,927		0.70	%
Total loans		276,063		100.00	%		276,991		100.00	%
Less: Allowance for loan losses		(5,095)					(6,141)
Loans, net	$	270,968				$	270,850

Cornerstone follows the loan impairment accounting guidance in ASC Topic 310. A loan is considered impaired when, based on current information and events, it is probable that Cornerstone will be unable to collect all amounts due from the borrower in accordance with the contractual terms of the loan. Impaired loans include nonperforming loans and loans modified in troubled debt restructurings where concessions have been granted to borrowers experiencing financial difficulties. These concessions could include a reduction in interest rates, payment extensions, forgiveness of principal, forbearance or other actions intended to maximize collections.

The composition of loans by loan classification for impaired and performing loan status at June 30, 2013 and December 31, 2012, is summarized in the tables below (amounts in thousands):

June 30, 2013	Commercial		Consumer		Construction		Commercial
	Real Estate-		Real Estate-		and Land		and		Consumer
	Mortgage		Mortgage		Development		Industrial		and Other		Total
Performing loans	$	117,910	$	63,782	$	35,762	$	39,620	$	2,018	$	259,092
Impaired loans		10,231		3,563		423		2,754		-		16,971
Total	$	128,141	$	67,345	$	36,185	$	42,374	$	2,018	$	276,063

December 31, 2012	Commercial		Consumer		Construction		Commercial
	Real Estate-		Real Estate-		and Land		and		Consumer
	Mortgage		Mortgage		Development		Industrial		and Other		Total
Performing loans	$	115,959	$	69,329	$	37,607	$	36,980	$	1,927	$	261,802
Impaired loans		9,213		1,866		950		3,160		-		15,189
Total	$	125,172	$	71,195	$	38,557	$	40,140	$	1,927	$	276,991

The following tables show the allowance for loan losses allocation by loan classification for impaired and performing loans as of June 30, 2013 and December 31, 2012 (amounts in thousands):

June 30, 2013	Commercial		Consumer		Construction		Commercial
	Real Estate-		Real Estate-		and Land		and		Consumer
Allowance related to:	Mortgage		Mortgage		Development		Industrial		and Other		Total
Performing loans	$	500	$	966	$	325	$	61	$	13	$	1,865
Impaired loans		2,573		280		-		377		-		3,230
Total	$	3,073	$	1,246	$	325	$	438	$	13	$	5,095

December 31, 2012	Commercial		Consumer		Construction		Commercial
	Real Estate-		Real Estate-		and Land		and		Consumer
Allowance related to:	Mortgage		Mortgage		Development		Industrial		and Other		Total
Performing loans	$	319	$	952	$	781	$	29	$	14	$	2,095
Impaired loans		2,230		576		460		780		-		4,046
Total	$	2,549	$	1,528	$	1,241	$	809	$	14	$	6,141

The following tables detail the changes in the allowance for loan losses for the six month period ending June 30, 2013 and year ending December 31, 2012, by loan classification (amounts in thousands):

June 30, 2013	Commercial		Consumer		Construction		Commercial
	Real Estate-		Real Estate-		and Land		and		Consumer
	Mortgage		Mortgage		Development		Industrial		and Other		Total
Beginning balance	$	2,549	$	1,528	$	1,241	$	809	$	14	$	6,141
Charged-off loans		(281)		(640)		(1,180)		(341)		(19)		(2,461)
Recovery of charge-offs		54		218		775		66		2		1,115
Provision for (reallocation of) loan losses		751		(140)		(511)		(96)		16		300
Ending balance	$	3,073	$	1,246	$	325	$	438	$	13	$	5,095

December 31, 2012	Commercial Real Estate- Mortgage		Consumer Real Estate- Mortgage		Construction and Land Development		Commercial and Industrial		Consumer and Other		Total
Beginning balance	$	3,557	$	2,518	$	827	$	482	$	16	$	7,400
Charged-off loans		(958)		(1,022)		(782)		(74)		(33)		(2,869)
Recovery of charge-offs		838		36		145		144		17		1,180
Provision for (reallocation of) loan losses		(888)		(4)		1,051		257		14		430
Ending balance	$	2,549	$	1,528	$	1,241	$	809	$	14	$	6,141

Credit quality indicators:

Federal regulations require the Bank to review and classify its assets on a regular basis. To fulfill this requirement, the Bank systematically reviews its loan portfolio to ensure the Bank’s large loan relationships are being maintained within its loan policy guidelines, remains properly underwritten and is properly classified by loan grade. This review process is performed by the Bank's management, loan review, internal auditors and state and federal regulators.

The Bank’s loan grading process is as follows:

The Bank’s loan grading process is as follows:

§ All loans are assigned a loan grade at the time of origination by the relationship manager. Typically, a loan is assigned a loan grade of “pass” at origination.

§ Loan relationships greater than or equal to $500 thousand are reviewed by the Bank’s external loan review provider on an annual basis.

§ The Bank’s internal loan review department samples approximately 33 percent of all other loan relationships less than $500 thousand on an annual basis for review.

§ If a loan is delinquent 60 days or more or a pattern of delinquency exists, the loan will be selected for review.

§ Generally, all loans on the Bank’s internal watchlist are reviewed annually by internal loan review or external loan review providers.

If a loan is classified as a problem asset, it will be assigned one of the following loan grades: substandard, substandard-impaired, doubtful, and loss. “Substandard assets” must have one or more defined weaknesses and are characterized by the distinct possibility that we will sustain some loss if the deficiencies are not corrected. “Doubtful assets” have the weaknesses of substandard assets with the additional characteristic that the weaknesses make collection or liquidation in full on the basis of currently existing facts, conditions and values questionable, and there is a high possibility of loss. An asset classified “loss” is considered uncollectible and of such little value that continuance as an asset of the institution is not warranted. The regulations also provide for a “special mention” category, described as assets which do not currently expose an institution to a sufficient degree of risk to warrant classification but do possess credit deficiencies or potential weaknesses deserving close attention. When the Bank classifies an asset as substandard or doubtful, a specific allowance for loan losses may be established.

The following tables outline the amount of each loan classification and the amount categorized into each risk rating as of June 30, 2013 and December 31, 2012 (amounts in thousands):

June 30, 2013	Commercial		Consumer		Construction		Commercial
	Real Estate-		Real Estate-		and Land		and		Consumer
	Mortgage		Mortgage		Development		Industrial		and Other		Total
Pass	$	115,228	$	54,884	$	35,213	$	35,050	$	2,018	$	242,393
Special mention		2,185		6,171		98		4,392		-		12,846
Substandard		497		2,727		451		178		-		3,853
Substandard-impaired		8,957		3,563		423		2,754		-		15,697
Doubtful		1,274		-		-		-		-		1,274
	$	128,141	$	67,345	$	36,185	$	42,374	$	2,018	$	276,063

December 31, 2012	Commercial		Consumer		Construction		Commercial
	Real Estate-		Real Estate-		and Land		And		Consumer
	Mortgage		Mortgage		Development		Industrial		and Other		Total
Pass	$	111,313	$	57,959	$	36,802	$	36,482	$	1,904	$	244,460
Special mention		4,145		8,401		198		330		18		13,092
Substandard		501		2,969		607		168		5		4,250
Substandard-impaired		9,213		1,866		950		3,160		-		15,189
	$	125,172	$	71,195	$	38,557	$	40,140	$	1,927	$	276,991

After the Bank’s independent loan review department completes the loan grade assignment, a loan impairment analysis is performed on loans graded substandard or worse. The following tables present summary information pertaining to impaired loans by loan classification as of June 30, 2013 and December 31, 2012 (in thousands):

							For the quarter ended
	At June 30, 2013						June 30, 2013
			Unpaid				Average		Interest
	Recorded		Principal		Related		Recorded		Income
	Investment		Balance		Allowance		Investment		Recognized
Impaired loans without a valuation allowance:
Commercial real estate – mortgage	$	5,324	$	5,390	$	-	$	4,719	$	148
Consumer real estate – mortgage		2,315		2,867		-		1,784		74
Construction and land development		423		436		-		379		8
Commercial and industrial		1,988		2,048		-		2,048		26
Total	$	10,050	$	10,741	$	-	$	8,930	$	256
Impaired loans with a valuation allowance:
Commercial real estate – mortgage	$	4,907	$	4,965	$	2,573	$	5,271	$	115
Consumer real estate – mortgage		1,248		1,248		280		1,182		47
Construction and land development		-		-		-		395		-
Commercial and industrial		766		767		377		853		40
Total	$	6,921	$	6,980	$	3,230	$	7,701	$	202
Total impaired loans	$	16,971	$	17,721	$	3,230	$	16,631	$	458

							For the year ended
	At December 31, 2012						December 31, 2012
			Unpaid				Average		Interest
	Recorded		Principal		Related		Recorded		Income
	Investment		Balance		Allowance		Investment		Recognized
Impaired loans without a valuation allowance:
Commercial real estate – mortgage	$	3,406	$	3,453	$	-	$	4,389	$	180
Consumer real estate – mortgage		513		540		-		1,538		52
Construction and land development		244		251		-		358		19
Commercial and industrial		2,111		2,155		-		2,277		55
Total	$	6,274	$	6,399	$	-	$	8,562	$	306
Impaired loans with a valuation allowance:
Commercial real estate – mortgage	$	5,807	$	5,848	$	2,230	$	6,616	$	215
Consumer real estate – mortgage		1,353		1,353		576		2,606		61
Construction and land development		706		706		460		642		49
Commercial and industrial		1,049		1,049		780		700		132
Total	$	8,915	$	8,956	$	4,046	$	10,564	$	457
Total impaired loans	$	15,189	$	15,355	$	4,046	$	19,126	$	763

The following tables present an aged analysis of past due loans as of June 30, 2013 and December 31, 2012 (in thousands):

June 30, 2013	30-89 Days		Past Due 90
	Past Due and		Days or More				Total		Current		Total
	Accruing		and Accruing		Nonaccrual		Past Due		Loans		Loans
Commercial real estate-mortgage:
Owner-occupied	$	1,852	$	-	$	605	$	2,457	$	58,268	$	60,725
All other		1,501		-		2,419		3,920		63,496		67,416
Consumer real estate-mortgage		872		-		787		1,659		65,686		67,345
Construction and land development		113		-		45		158		36,027		36,185
Commercial and industrial		772		-		3,027		3,799		38,575		42,374
Consumer and other		1		-		-		1		2,017		2,018
Total	$	5,111	$	-	$	6,883	$	11,994	$	264,069	$	276,063

December 31, 2012	30-89 Days		Past Due 90
	Past Due and		Days or More				Total		Current		Total
	Accruing		and Accruing		Nonaccrual		Past Due		Loans		Loans
Commercial real estate-mortgage:
Owner-occupied	$	2,738	$	-	$	956	$	3,694	$	54,731	$	58,425
All other		636		-		1,913		2,549		64,198		66,747
Consumer real estate-mortgage		1,858		-		616		2,474		68,721		71,195
Construction and land development		100		-		53		153		38,404		38,557
Commercial and industrial		1,227		-		2,467		3,694		36,446		40,140
Consumer and other		35		-		-		35		1,892		1,927
Total	$	6,594	$	-	$	6,005	$	12,599	$	264,392	$	276,991

Impaired loans also include loans that the Bank has elected to formally restructure when, due to the weakening credit status of a borrower, the restructuring may facilitate a repayment plan that seeks to minimize the potential losses that the Bank may have to otherwise incur. At June 30, 2013 and December 31, 2012, the Bank has loans of approximately $8,366,000 and $9,403,000, respectively, that were modified for troubled debt restructuring. Troubled commercial loans are restructured by specialists within our Special Asset department and all restructurings are approved by committees and credit officers separate and apart from the normal loan approval process. These specialists are trained to reduce the Bank’s overall risk and exposure to loss in the event of a restructuring through obtaining either or all of the following: improved documentation, additional guaranties, increase in curtailments, reduction in collateral terms, additional collateral or other similar strategies.

The following table presents a summary of loans that were modified as troubled debt restructurings during the six month period ending June 30, 2013 (amounts in thousands):

June 30, 2013		Pre-Modification		Post-Modification
		Outstanding Recorded		Outstanding Recorded
	Number of Contracts	Investment		Investment
Commercial real estate-mortgage	2	$	555	$	555
Consumer real estate-mortgage	1		66		66
Construction and land development	3		898		898
Commercial and industrial	3		2,389		2,389

June 30, 2012		Pre-Modification		Post-Modification
		Outstanding Recorded		Outstanding Recorded
	Number of Contracts	Investment		Investment
Consumer real estate-mortgage	1	$	65	$	65
Construction and land development	3		1,178		1,178
Commercial and industrial	3		2,389		2,389

There were no loans that were modified as troubled debt restructurings during the past twelve months and for which there was a subsequent payment default.

XML

Consolidated Statement of Changes in Stockholders' Equity - Unaudited (USD $)	Total	Preferred Stock [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]
BALANCE at Dec. 31, 2012	$ 40,888,836	$ 14,821,546	$ 6,500,396	$ 21,390,486	$ (3,274,986)	$ 1,451,394
Stock compensation expense	64,528			64,528
Issuance of common stock	77,019	0	46,678	30,341	0	0
Preferred stock dividends	(683,893)	0	0	0	(683,893)	0
Accretion on preferred stock	0	35,690	0	0	(35,690)	0
Net income	848,159	0	0	0	848,159	0
Unrealized holding gains (losses) on securities available for sale, net of reclassification adjustment and taxes	(960,374)	0	0	0	0	(960,374)
BALANCE at Jun. 30, 2013	$ 40,234,275	$ 14,857,236	$ 6,547,074	$ 21,485,355	$ (3,146,410)	$ 491,020

XML

Loans and Allowance for Loan Losses (Details 2) (USD $)	Jun. 30, 2013	Dec. 31, 2012	Dec. 31, 2011
Total	$ 5,094,740	$ 6,141,281	$ 7,400,000
Commercial Real Estate Mortgage [Member]
Total	3,073,000	2,549,000	3,557,000
Consumer Real Estate Mortgage [Member]
Total	1,246,000	1,528,000	2,518,000
Construction and Land Development [Member]
Total	325,000	1,241,000	827,000
Commercial and Industrial Loans [Member]
Total	438,000	809,000	482,000
Consumer and Other Loans [Member]
Total	13,000	14,000	16,000
Performing Loans [Member]
Total	1,865,000	2,095,000
Performing Loans [Member] | Commercial Real Estate Mortgage [Member]
Total	500,000	319,000
Performing Loans [Member] | Consumer Real Estate Mortgage [Member]
Total	966,000	952,000
Performing Loans [Member] | Construction and Land Development [Member]
Total	325,000	781,000
Performing Loans [Member] | Commercial and Industrial Loans [Member]
Total	61,000	29,000
Performing Loans [Member] | Consumer and Other Loans [Member]
Total	13,000	14,000
Impaired Loans [Member]
Total	3,230,000	4,046,000
Impaired Loans [Member] | Commercial Real Estate Mortgage [Member]
Total	2,573,000	2,230,000
Impaired Loans [Member] | Consumer Real Estate Mortgage [Member]
Total	280,000	576,000
Impaired Loans [Member] | Construction and Land Development [Member]
Total	0	460,000
Impaired Loans [Member] | Commercial and Industrial Loans [Member]
Total	377,000	780,000
Impaired Loans [Member] | Consumer and Other Loans [Member]
Total	$ 0	$ 0

XML

Loans and Allowance for Loan Losses (Tables)

6 Months Ended

Jun. 30, 2013

Receivables [Abstract]

Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]

At June 30, 2013 and December 31, 2012, loans are summarized as follows (in thousands):

	June 30,					December 31,
	2013		Percent			2012		Percent
Commercial real estate-mortgage:
Owner-occupied	$	60,725		22.00	%	$	58,425		21.09	%
All other		67,416		24.42	%		66,747		24.10	%
Consumer real estate-mortgage		67,345		24.39	%		71,195		25.70	%
Construction and land development		36,185		13.11	%		38,557		13.92	%
Commercial and industrial		42,374		15.35	%		40,140		14.49	%
Consumer and other		2,018		0.73	%		1,927		0.70	%
Total loans		276,063		100.00	%		276,991		100.00	%
Less: Allowance for loan losses		(5,095)					(6,141)
Loans, net	$	270,968				$	270,850

Schedule Of Impaired and Performing Loans Receivable [Table Text Block]

The composition of loans by loan classification for impaired and performing loan status at June 30, 2013 and December 31, 2012, is summarized in the tables below (amounts in thousands):

June 30, 2013	Commercial		Consumer		Construction		Commercial
	Real Estate-		Real Estate-		and Land		and		Consumer
	Mortgage		Mortgage		Development		Industrial		and Other		Total
Performing loans	$	117,910	$	63,782	$	35,762	$	39,620	$	2,018	$	259,092
Impaired loans		10,231		3,563		423		2,754		-		16,971
Total	$	128,141	$	67,345	$	36,185	$	42,374	$	2,018	$	276,063

December 31, 2012	Commercial		Consumer		Construction		Commercial
	Real Estate-		Real Estate-		and Land		and		Consumer
	Mortgage		Mortgage		Development		Industrial		and Other		Total
Performing loans	$	115,959	$	69,329	$	37,607	$	36,980	$	1,927	$	261,802
Impaired loans		9,213		1,866		950		3,160		-		15,189
Total	$	125,172	$	71,195	$	38,557	$	40,140	$	1,927	$	276,991

Schedule Of Allowance For Loan Losses For Impaired and Performing Loans Receivable [Table Text Block]

The following tables show the allowance for loan losses allocation by loan classification for impaired and performing loans as of June 30, 2013 and December 31, 2012 (amounts in thousands):

June 30, 2013	Commercial		Consumer		Construction		Commercial
	Real Estate-		Real Estate-		and Land		and		Consumer
Allowance related to:	Mortgage		Mortgage		Development		Industrial		and Other		Total
Performing loans	$	500	$	966	$	325	$	61	$	13	$	1,865
Impaired loans		2,573		280		-		377		-		3,230
Total	$	3,073	$	1,246	$	325	$	438	$	13	$	5,095

December 31, 2012	Commercial		Consumer		Construction		Commercial
	Real Estate-		Real Estate-		and Land		and		Consumer
Allowance related to:	Mortgage		Mortgage		Development		Industrial		and Other		Total
Performing loans	$	319	$	952	$	781	$	29	$	14	$	2,095
Impaired loans		2,230		576		460		780		-		4,046
Total	$	2,549	$	1,528	$	1,241	$	809	$	14	$	6,141

Schedule Of Financing Receivable Allowance For Credit Losses [Table Text Block]

The following tables detail the changes in the allowance for loan losses for the six month period ending June 30, 2013 and year ending December 31, 2012, by loan classification (amounts in thousands):

June 30, 2013	Commercial		Consumer		Construction		Commercial
	Real Estate-		Real Estate-		and Land		and		Consumer
	Mortgage		Mortgage		Development		Industrial		and Other		Total
Beginning balance	$	2,549	$	1,528	$	1,241	$	809	$	14	$	6,141
Charged-off loans		(281)		(640)		(1,180)		(341)		(19)		(2,461)
Recovery of charge-offs		54		218		775		66		2		1,115
Provision for (reallocation of) loan losses		751		(140)		(511)		(96)		16		300
Ending balance	$	3,073	$	1,246	$	325	$	438	$	13	$	5,095

December 31, 2012	Commercial Real Estate- Mortgage		Consumer Real Estate- Mortgage		Construction and Land Development		Commercial and Industrial		Consumer and Other		Total
Beginning balance	$	3,557	$	2,518	$	827	$	482	$	16	$	7,400
Charged-off loans		(958)		(1,022)		(782)		(74)		(33)		(2,869)
Recovery of charge-offs		838		36		145		144		17		1,180
Provision for (reallocation of) loan losses		(888)		(4)		1,051		257		14		430
Ending balance	$	2,549	$	1,528	$	1,241	$	809	$	14	$	6,141

Financing Receivable Credit Quality Indicators [Table Text Block]

The following tables outline the amount of each loan classification and the amount categorized into each risk rating as of June 30, 2013 and December 31, 2012 (amounts in thousands):

June 30, 2013	Commercial		Consumer		Construction		Commercial
	Real Estate-		Real Estate-		and Land		and		Consumer
	Mortgage		Mortgage		Development		Industrial		and Other		Total
Pass	$	115,228	$	54,884	$	35,213	$	35,050	$	2,018	$	242,393
Special mention		2,185		6,171		98		4,392		-		12,846
Substandard		497		2,727		451		178		-		3,853
Substandard-impaired		8,957		3,563		423		2,754		-		15,697
Doubtful		1,274		-		-		-		-		1,274
	$	128,141	$	67,345	$	36,185	$	42,374	$	2,018	$	276,063

December 31, 2012	Commercial		Consumer		Construction		Commercial
	Real Estate-		Real Estate-		and Land		And		Consumer
	Mortgage		Mortgage		Development		Industrial		and Other		Total
Pass	$	111,313	$	57,959	$	36,802	$	36,482	$	1,904	$	244,460
Special mention		4,145		8,401		198		330		18		13,092
Substandard		501		2,969		607		168		5		4,250
Substandard-impaired		9,213		1,866		950		3,160		-		15,189
	$	125,172	$	71,195	$	38,557	$	40,140	$	1,927	$	276,991

Impaired Financing Receivables [Table Text Block]

The following tables present summary information pertaining to impaired loans by loan classification as of June 30, 2013 and December 31, 2012 (in thousands):

							For the quarter ended
	At June 30, 2013						June 30, 2013
			Unpaid				Average		Interest
	Recorded		Principal		Related		Recorded		Income
	Investment		Balance		Allowance		Investment		Recognized
Impaired loans without a valuation allowance:
Commercial real estate – mortgage	$	5,324	$	5,390	$	-	$	4,719	$	148
Consumer real estate – mortgage		2,315		2,867		-		1,784		74
Construction and land development		423		436		-		379		8
Commercial and industrial		1,988		2,048		-		2,048		26
Total	$	10,050	$	10,741	$	-	$	8,930	$	256
Impaired loans with a valuation allowance:
Commercial real estate – mortgage	$	4,907	$	4,965	$	2,573	$	5,271	$	115
Consumer real estate – mortgage		1,248		1,248		280		1,182		47
Construction and land development		-		-		-		395		-
Commercial and industrial		766		767		377		853		40
Total	$	6,921	$	6,980	$	3,230	$	7,701	$	202
Total impaired loans	$	16,971	$	17,721	$	3,230	$	16,631	$	458

							For the year ended
	At December 31, 2012						December 31, 2012
			Unpaid				Average		Interest
	Recorded		Principal		Related		Recorded		Income
	Investment		Balance		Allowance		Investment		Recognized
Impaired loans without a valuation allowance:
Commercial real estate – mortgage	$	3,406	$	3,453	$	-	$	4,389	$	180
Consumer real estate – mortgage		513		540		-		1,538		52
Construction and land development		244		251		-		358		19
Commercial and industrial		2,111		2,155		-		2,277		55
Total	$	6,274	$	6,399	$	-	$	8,562	$	306
Impaired loans with a valuation allowance:
Commercial real estate – mortgage	$	5,807	$	5,848	$	2,230	$	6,616	$	215
Consumer real estate – mortgage		1,353		1,353		576		2,606		61
Construction and land development		706		706		460		642		49
Commercial and industrial		1,049		1,049		780		700		132
Total	$	8,915	$	8,956	$	4,046	$	10,564	$	457
Total impaired loans	$	15,189	$	15,355	$	4,046	$	19,126	$	763

Past Due Financing Receivables [Table Text Block]

The following tables present an aged analysis of past due loans as of June 30, 2013 and December 31, 2012 (in thousands):

June 30, 2013	30-89 Days		Past Due 90
	Past Due and		Days or More				Total		Current		Total
	Accruing		and Accruing		Nonaccrual		Past Due		Loans		Loans
Commercial real estate-mortgage:
Owner-occupied	$	1,852	$	-	$	605	$	2,457	$	58,268	$	60,725
All other		1,501		-		2,419		3,920		63,496		67,416
Consumer real estate-mortgage		872		-		787		1,659		65,686		67,345
Construction and land development		113		-		45		158		36,027		36,185
Commercial and industrial		772		-		3,027		3,799		38,575		42,374
Consumer and other		1		-		-		1		2,017		2,018
Total	$	5,111	$	-	$	6,883	$	11,994	$	264,069	$	276,063

December 31, 2012	30-89 Days		Past Due 90
	Past Due and		Days or More				Total		Current		Total
	Accruing		and Accruing		Nonaccrual		Past Due		Loans		Loans
Commercial real estate-mortgage:
Owner-occupied	$	2,738	$	-	$	956	$	3,694	$	54,731	$	58,425
All other		636		-		1,913		2,549		64,198		66,747
Consumer real estate-mortgage		1,858		-		616		2,474		68,721		71,195
Construction and land development		100		-		53		153		38,404		38,557
Commercial and industrial		1,227		-		2,467		3,694		36,446		40,140
Consumer and other		35		-		-		35		1,892		1,927
Total	$	6,594	$	-	$	6,005	$	12,599	$	264,392	$	276,991

Troubled Debt Restructurings on Financing Receivables [Table Text Block]

The following table presents a summary of loans that were modified as troubled debt restructurings during the six month period ending June 30, 2013 (amounts in thousands):

June 30, 2013		Pre-Modification		Post-Modification
		Outstanding Recorded		Outstanding Recorded
	Number of Contracts	Investment		Investment
Commercial real estate-mortgage	2	$	555	$	555
Consumer real estate-mortgage	1		66		66
Construction and land development	3		898		898
Commercial and industrial	3		2,389		2,389

June 30, 2012		Pre-Modification		Post-Modification
		Outstanding Recorded		Outstanding Recorded
	Number of Contracts	Investment		Investment
Consumer real estate-mortgage	1	$	65	$	65
Construction and land development	3		1,178		1,178
Commercial and industrial	3		2,389		2,389

There were no loans that were modified as troubled debt restructurings during the past twelve months and for which there was a subsequent payment default.

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Presentation of Financial Information (Policies)

6 Months Ended

Jun. 30, 2013

Organization, Consolidation and Presentation Of Financial Statements [Abstract]

Use of Estimates, Policy [Policy Text Block]

Use of Estimates-The preparation of financial statements in conformity with U.S. generally accepted accounting principles requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosures of contingent assets and liabilities as of the balance sheet date and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates. Material estimates that are particularly susceptible to significant change in the near term include the determination of the allowance for loan losses.

Consolidation, Policy [Policy Text Block]

Consolidation-The accompanying consolidated financial statements include the accounts of Cornerstone and the Bank. Substantially all intercompany transactions, profits and balances have been eliminated.

Reclassification, Policy [Policy Text Block]

Reclassification-Certain amounts in the prior consolidated financial statements have been reclassified to conform to the current period presentation. The reclassifications had no effect on net income or stockholders’ equity as previously reported.

New Accounting Pronouncements, Policy [Policy Text Block]

Accounting Policies-During interim periods, Cornerstone follows the accounting policies set forth in its Annual Report on Form 10-K for the year ended December 31, 2012 as filed with the Securities and Exchange Commission. Since December 31, 2012, there have been no significant changes in any accounting principles or practices, or in the method of applying any such principles or practices, except for the following:

In February 2013, the Financial Accounting Standards Board (FASB) issued updated guidance related to disclosure of reclassification amounts out of other comprehensive income. The standard requires that companies present either in a single note or parenthetically on the face of the financial statements, the effect of significant amounts reclassified from each component of accumulated other comprehensive income based on its source and the income statement line items affected by the reclassification. The new requirements took effect for public companies in fiscal years, and interim periods within those years, beginning after December 15, 2012. The Company adopted this standard on January 1, 2013. The effect of adopting this standard increased our disclosure requirements surrounding reclassification items out of accumulated other comprehensive income.

Earnings Per Share, Policy [Policy Text Block]

Earnings per Common Share- Basic earnings per share (“EPS”) is computed by dividing income available to common shareholders (numerator) by the weighted average number of common shares outstanding during the period (denominator). Diluted EPS is computed by dividing income available to common shareholders (numerator) by the adjusted weighted average number of shares outstanding (denominator). The adjusted weighted average number of shares outstanding reflects the potential dilution occurring if securities or other contracts to issue common stock were exercised or converted into common stock resulting in the issuance of common stock that share in the earnings of the entity.

The following is a summary of the basic and diluted earnings per share for the three and six month periods ended June 30, 2013 and June 30, 2012.

	Three Months Ended June 30,
	2013		2012
Basic earnings per common share calculation:
Numerator: Net income available to common shareholders	$	3,186	$	15,313
Denominator: Weighted avg. common shares outstanding		6,547,074		6,500,396
Effect of dilutive stock options		112,416		81,002
Diluted shares		6,659,490		6,581,398
Basic earnings per common share	$	0.00	$	0.00
Diluted earnings per common share	$	0.00	$	0.00

	Six Months Ended June 30,
	2013		2012
Basic earnings per common share calculation:
Numerator: Net income available to common shareholders	$	62,469	$	91,506
Denominator: Weighted avg. common shares outstanding		6,547,074		6,500,396
Effect of dilutive stock options		117,454		83,498
Diluted shares		6,664,528		6,583,894
Basic earnings per common share	$	0.01	$	0.01
Diluted earnings per common share	$	0.01	$	0.01

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Presentation of Financial Information (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Basic earnings per common share calculation:
Numerator: Net income available to common shareholders	$ 3,186	$ 15,313	$ 62,469	$ 91,506
Denominator: Weighted avg. common shares outstanding (in shares)	6,547,074	6,500,396	6,547,074	6,500,396
Effect of dilutive stock options (in shares)	112,416	81,002	117,454	83,498
Diluted shares (in shares)	6,659,490	6,581,398	6,664,528	6,583,894
Basic earnings per common share (in dollars per share)	$ 0	$ 0	$ 0.01	$ 0.01
Diluted earnings per common share (in dollars per share)	$ 0	$ 0	$ 0.01	$ 0.01

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Commitments and Contingent Liabilities (Tables)

6 Months Ended

Jun. 30, 2013

Commitments and Contingencies Disclosure [Abstract]

Schedule of Fair Value, Off-balance Sheet Risks [Table Text Block]

A summary of the Bank’s total contractual amount for all off-balance sheet commitments at June 30, 2013 is as follows:

Commitments to extend credit	$31.4 million
Standby letters of credit	$205 thousand

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Document And Entity Information	6 Months Ended
	Jun. 30, 2013	Aug. 01, 2013
Document Information [Line Items]
Entity Registrant Name	CORNERSTONE BANCSHARES INC
Entity Central Index Key	0001038773
Current Fiscal Year End Date	--12-31
Entity Filer Category	Smaller Reporting Company
Trading Symbol	CSBQ
Entity Common Stock, Shares Outstanding		6,547,074
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Jun. 30, 2013
Document Fiscal Period Focus	Q2
Document Fiscal Year Focus	2013

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Fair Value Disclosures (Tables)

6 Months Ended

Jun. 30, 2013

Fair Value Disclosures [Abstract]

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]

Assets and liabilities recorded at fair value on a recurring basis are as follows.

	Balance as of June 30, 2013		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Other Unobservable Inputs (Level 3)
Debt securities available for sale:
U.S. Government agencies	$	3,917,460	$	-	$	3,917,460	$	-
State and municipal securities		17,415,163		-		17,415,163		-
Mortgage-backed securities:
Residential mortgage loans guaranteed by GNMA or FNMA		8,174,509		-		8,174,509		-
Collateralized mortgage obligations issued or guaranteed by U.S. Government agencies or sponsored agencies		70,270,317		-		70,270,317		-
Total securities available for sale	$	99,777,449	$	-	$	99,777,449	$	-
Cash surrender value of life insurance	$	1,216,200	$	-	$	1,216,200	$	-

	Balance as of December 31, 2012		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Other Unobservable Inputs (Level 3)
Debt securities available for sale:
U.S. Government agencies	$	4,018,151	$	-	$	4,018,151	$	-
State and municipal securities		23,633,317		-		23,633,317		-
Mortgage-backed securities:
Residential mortgage loans guaranteed by GNMA or FNMA		9,222,419		-		9,222,419		-
Collateralized mortgage obligations issued or guaranteed by U.S. Government agencies or sponsored agencies		39,222,759		-		39,222,759		-
Total securities available for sale	$	76,096,646	$	-	$	76,096,646	$	-
Cash surrender value of life insurance	$	1,199,725	$	-	$	1,199,725	$	-

Fair Value, Assets and Liabilities Measured on Nonrecurring Basis [Table Text Block]

The tables below present information about assets and liabilities on the balance sheet at June 30, 2013 and December 31, 2012 for which a nonrecurring change in fair value was recorded (amounts in thousands).

	Balance as of June 30, 2013		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Other Unobservable Inputs (Level 3)
Impaired loans	$	3,691	$	-	$	3,691	$	-
Foreclosed assets (OREO & Repossessions)		18,867		-		18,867		-

	Balance as of December 31, 2012		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Other Unobservable Inputs (Level 3)
Impaired loans	$	4,869	$	-	$	4,869	$	-
Foreclosed assets (OREO & Repossessions)		20,332		-		20,332		-

Fair Value, by Balance Sheet Grouping [Table Text Block]

The carrying amount and estimated fair value of Cornerstone's financial instruments at June 30, 2013 and December 31, 2012 are as follows (in thousands):

	June 30, 2013				December 31, 2012
	Carrying Amount		Estimated Fair Value		Carrying Amount		Estimated Fair Value
Assets:
Cash and cash equivalents	$	28,701	$	28,701	$	59,395	$	59,395
Securities		99,817		99,816		76,142		76,143
Federal Home Loan Bank stock		2,323		2,323		2,323		2,323
Loans, net		270,968		270,959		270,850		271,128
Cash surrender value of life insurance		1,216		1,216		1,200		1,200
Accrued interest receivable		1,153		1,153		1,214		1,214
Liabilities:
Noninterest-bearing demand deposits		60,094		60,094		60,054		60,054
Interest-bearing demand deposits		24,614		24,614		30,179		30,179
Savings deposits and money market accounts		90,453		90,453		80,994		80,994
Time deposits		164,038		164,365		173,654		175,177
Federal funds purchased and securities sold under agreements to repurchase		22,907		22,907		19,587		19,587
Federal Home Loan Bank advances and other borrowings		31,740		31,740		37,175		37,175
Accrued interest payable		93		93		121		121
Unrecognized financial instruments (net of contract amount):
Commitments to extend credit		-		-		-		-
Letters of credit		-		-		-		-
Lines of credit		-		-		-		-