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Nature of Operations and Summary of Significant Accounting Policies (Details) (USD $)
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3 Months Ended | 9 Months Ended | 9 Months Ended | 1 Months Ended | 0 Months Ended | ||||||
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Sep. 30, 2012
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Sep. 30, 2011
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Sep. 30, 2012
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Sep. 30, 2011
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Dec. 31, 2011
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Dec. 31, 2010
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Sep. 30, 2012
Common Stock [Member]
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Feb. 29, 2012
Common Stock [Member]
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Feb. 29, 2012
Warrant [Member]
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Sep. 30, 2012
Warrant [Member]
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Dec. 27, 2011
Line of Credit [Member]
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| Securities Financing Transaction [Line Items] | |||||||||||
| Cash and cash equivalents | $ 1,456,000 | $ 2,858,000 | $ 1,456,000 | $ 2,858,000 | $ 1,709,000 | $ 5,448,000 | |||||
| Working capital | 4,500,000 | 4,500,000 | |||||||||
| Net cash used in operations | (3,128,000) | (3,948,000) | |||||||||
| Net loss | (324,000) | (1,684,000) | (2,455,000) | (5,174,000) | |||||||
| Line of credit, maximum aggregrate borrowing amount | 2,000,000 | ||||||||||
| Percentage of eligible accounts receivable, which advance requests may be made against | 75.00% | ||||||||||
| Variable rate basis | prime rate | ||||||||||
| Basis spread on variable rate | 2.00% | ||||||||||
| Interest rate minimum, per annum | 5.25% | ||||||||||
| Minimum facility payment, per month | 5,000 | ||||||||||
| Line of credit, available borrowing capacity | 856,000 | 856,000 | |||||||||
| Shares of common stock and warrants | 6,415,000 | ||||||||||
| Number of shares authorized in registered offering | 3,207,500 | ||||||||||
| Number of shares called by warrant units | 1 | 0.5 | |||||||||
| Warrants, price per unit (in dollars per share) | $ 0.50 | ||||||||||
| Proceeds from sale of common stock and warrants | 3,207,500 | ||||||||||
| Proceeds from sale of common stock and warrants, net | $ 2,800,000 | ||||||||||
| Exercisable warrants | 0 | ||||||||||