Consolidated Statement of Stockholders' Equity (USD $)	Total	[CommonClassAMember]	[CommonClassBMember]	[CommonClassCMember]	[AdditionalPaidInCapitalMember]	[RetainedEarningsMember]
Beginning Balances at Dec. 31, 2010	$ 8,372,326	$ 9,777	$ 32	$ 32	$ 334,459,072	$ (326,096,587)
Increase (Decrease) in Stockholders' Equity
Net loss	(2,622,193)					(2,622,193)
Cash dividends declared	(669,077)				(669,077)
Issuance of Class A common shares for board compensation and equity plan exercises	194,951	311			194,640
Class A shares repurchased and retired	(596)	(1)			(595)
Amortization of equity plan compensation	91,157				91,157
Ending Balances at Dec. 31, 2011	5,366,568	10,087	32	32	334,075,197	(328,718,780)
Increase (Decrease) in Stockholders' Equity
Net loss	(2,029,561)					(2,029,561)
Cash dividends declared	0				0
Issuance of Class A common shares for board compensation and equity plan exercises	92,418	530			91,888
Class A shares repurchased and retired	0	0			0
Amortization of equity plan compensation	87,347				87,347
Ending Balances at Dec. 31, 2012	$ 3,516,772	$ 10,617	$ 32	$ 32	$ 334,254,432	$ (330,748,341)

The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher AICPA

-Name Accounting Research Bulletin (ARB)

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Reference 2: http://www.xbrl.org/2003/role/presentationRef

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Reference 3: http://www.xbrl.org/2003/role/presentationRef

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher AICPA

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Reference 5: http://www.xbrl.org/2003/role/presentationRef

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Reference 8: http://www.xbrl.org/2003/role/presentationRef

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Reference 9: http://www.xbrl.org/2003/role/presentationRef

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+ Details

- Definition

Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.

+ References+ Details

- Definition

Value of stock (or other type of equity) issued during the period as a result of any equity-based compensation plan other than an employee stock ownership plan (ESOP), net of stock value of such awards forfeited. Stock issued could result from the issuance of restricted stock, the exercise of stock options, stock issued under employee stock purchase plans, and/or other employee benefit plans.

+ References+ Details

- Definition

Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

+ References+ Details