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Summary of Significant Accounting Policies (Details Textual) (USD $)
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3 Months Ended | 6 Months Ended | 12 Months Ended | ||
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Jun. 30, 2014
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Jun. 30, 2013
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Jun. 30, 2014
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Jun. 30, 2013
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Dec. 31, 2013
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| Summary Of Significant Accounting Policies [Line Items] | |||||
| Property, Plant and Equipment, Depreciation Methods | straight-line method | ||||
| Revenue from Grants | $ 116,426 | $ 574,211 | $ 299,021 | $ 796,449 | |
| Grants Receivable, Current | 125,833 | 125,833 | 211,063 | ||
| Research And Development Expense Including Grants | 727,902 | 913,817 | 1,237,278 | 1,381,498 | |
| Research and Development Expense, Grants | 129,362 | 583,610 | 332,245 | 816,941 | |
| Cash, FDIC Insured Amount | 250,000 | 250,000 | |||
| Stockholders Equity, Reverse Stock Split | 1-for-2.381 reverse stock split | ||||
| Allowance for Doubtful Accounts Receivable | 0 | 0 | 0 | ||
| Inventory Valuation Reserves | 0 | 0 | 0 | ||
| Impairment of Long-Lived Assets Held-for-use | $ 0 | $ 0 | |||
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Sales [Member] | Advanced Research Projects Agency-Energy [Member]
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| Summary Of Significant Accounting Policies [Line Items] | |||||
| Concentration Risk, Percentage | 21.00% | 66.00% | 35.00% | 63.00% | |
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Sales [Member] | Customer Concentration Risk [Member] | Small Business Innovation Research [Member]
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| Summary Of Significant Accounting Policies [Line Items] | |||||
| Concentration Risk, Percentage | 14.00% | 22.00% | |||
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Sales [Member] | Customer Concentration Risk [Member] | Customer One [Member]
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| Summary Of Significant Accounting Policies [Line Items] | |||||
| Concentration Risk, Percentage | 24.00% | 23.00% | |||
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Sales [Member] | Customer Concentration Risk [Member] | Customer Two [Member]
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| Summary Of Significant Accounting Policies [Line Items] | |||||
| Concentration Risk, Percentage | 23.00% | 17.00% | |||
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Sales [Member] | Customer Concentration Risk [Member] | Customer Three [Member]
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| Summary Of Significant Accounting Policies [Line Items] | |||||
| Concentration Risk, Percentage | 18.00% | 15.00% | |||
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Sales [Member] | Customer Concentration Risk [Member] | Customer Four [Member]
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| Summary Of Significant Accounting Policies [Line Items] | |||||
| Concentration Risk, Percentage | 12.00% | ||||
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Accounts Receivable [Member] | Customer Concentration Risk [Member] | Advanced Research Projects Agency-Energy [Member]
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| Summary Of Significant Accounting Policies [Line Items] | |||||
| Concentration Risk, Percentage | 31.00% | 84.00% | |||
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Accounts Receivable [Member] | Customer Concentration Risk [Member] | Customer One [Member]
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| Summary Of Significant Accounting Policies [Line Items] | |||||
| Concentration Risk, Percentage | 32.00% | ||||
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Accounts Receivable [Member] | Customer Concentration Risk [Member] | Customer Two [Member]
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| Summary Of Significant Accounting Policies [Line Items] | |||||
| Concentration Risk, Percentage | 17.00% | ||||
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Accounts Receivable [Member] | Customer Concentration Risk [Member] | Customer Three [Member]
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| Summary Of Significant Accounting Policies [Line Items] | |||||
| Concentration Risk, Percentage | 11.00% | ||||
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Patents [Member]
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| Summary Of Significant Accounting Policies [Line Items] | |||||
| Finite-Lived Intangible Assets, Amortization Method | straight-line method | ||||
| Finite-Lived Intangible Asset, Useful Life | 20 years | ||||