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Short-Term Notes Payable - Additional Information (Detail) (USD $)
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0 Months Ended | 6 Months Ended | 0 Months Ended | 6 Months Ended | |||
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Jun. 30, 2014
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Dec. 31, 2013
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Mar. 10, 2014
Product Liability Insurance [Member]
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Mar. 08, 2013
Product Liability Insurance [Member]
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Jun. 30, 2014
Product Liability Insurance [Member]
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Jun. 20, 2013
Director's and officer's Liability Insurance Financing [Member]
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Jun. 30, 2014
Director's and officer's Liability Insurance Financing [Member]
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| Short-term Debt [Line Items] | |||||||
| Short term notes payable for financing insurance policies | $ 35,775 | $ 64,051 | |||||
| Short-term note payable | $ 50,694 | $ 50,037 | $ 106,994 | ||||
| Interest rate on short-term note | 6.57% | 6.57% | 4.64% | ||||
| Debt instrument issuance date | Mar. 10, 2014 | Mar. 08, 2013 | Jun. 20, 2013 | ||||
| Short-term notes payable amortization period | 10 months | 10 months | 11 months | ||||
| Final payment date of short-term note payable | Jan. 10, 2015 | Jan. 10, 2014 | Jun. 24, 2014 | ||||