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Property and Equipment (Narrative) (Details) (USD $)
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12 Months Ended | ||
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Dec. 31, 2012
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Dec. 31, 2011
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Dec. 31, 2010
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| Property, Plant and Equipment [Line Items] | |||
| Property and equipment | $ 2,026,895 | $ 1,441,229 | |
| Accumulated amortization | 1,092,317 | 977,960 | |
| Depreciation and amortization | 199,000 | 117,000 | 102,000 |
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Assets Held under Capital Leases [Member]
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| Property, Plant and Equipment [Line Items] | |||
| Property and equipment | 30,000 | 20,000 | |
| Accumulated amortization | $ 16,000 | $ 11,000 | |
| X | ||||||||||
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- Definition
The cumulative amount of depreciation, depletion and amortization (related to property, plant and equipment, but not including land) that has been recognized in the income statement. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The current period expense charged against earnings on long-lived, physical assets not used in production, and which are not intended for resale, to allocate or recognize the cost of such assets over their useful lives; or to record the reduction in book value of an intangible asset over the benefit period of such asset; or to reflect consumption during the period of an asset that is not used in production. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Gross amount of long-lived physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Details
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