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Restructuring Charges and Asset Disposals (Details) (USD $)	3 Months Ended	6 Months Ended	9 Months Ended
	Sep. 30, 2012	Jun. 30, 2012	Sep. 30, 2012	Sep. 30, 2011
Restructuring Reserves
Beginning balance		$ 381,940	$ 381,940
Expenses	8,165	495,207	503,372	2,986,441
Cash payments			(527,713)
Non-cash charges			(148,398)
Ending balance	209,201		209,201
Severance and benefit costs 2011 [Member]
Restructuring Reserves
Beginning balance		64,132	64,132
Expenses			34,616
Cash payments			(98,402)
Non-cash charges			(346)
Ending balance
Lease termination costs 2011 [Member]
Restructuring Reserves
Beginning balance		317,808	317,808
Non-cash charges			(108,607)
Ending balance	209,201		209,201
Severance and benefit costs 2012 [Member]
Restructuring Reserves
Beginning balance
Expenses			418,978
Cash payments			(418,978)
Ending balance
Lease termination costs 2012 [Member]
Restructuring Reserves
Beginning balance
Expenses			10,333
Cash payments			(10,333)
Ending balance
Assets disposals 2012 [Member]
Restructuring Reserves
Beginning balance
Expenses			39,445
Non-cash charges			(39,445)
Ending balance

X

- Definition

Amount charged against earnings in the period for incurred and estimated costs associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, excluding asset retirement obligations.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

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- Definition

Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.

+ References

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

-Publisher FASB

-Name Emerging Issues Task Force (EITF)

-Number 95-3

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 2: http://www.xbrl.org/2003/role/presentationRef

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- Definition

Amount of cash paid in the period to fully or partially settle a specified, previously accrued type of restructuring cost.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

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-Number 95-3

-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 SEC

-Name Staff Accounting Bulletin (SAB)

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 146

-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.

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Amount of consideration other than cash paid in the period to fully or partially settle a specified, previously accrued type of restructuring cost.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 146

-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.



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-Publisher FASB

-Name Emerging Issues Task Force (EITF)

-Number 95-3

-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 FASB

-Name Accounting Standards Codification

-Topic 420

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