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           Stockholders' Equity - Additional Information (Detail) (USD $) 
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        0 Months Ended | 1 Months Ended | 12 Months Ended | 12 Months Ended | 1 Months Ended | 12 Months Ended | 1 Months Ended | 12 Months Ended | 1 Months Ended | 12 Months Ended | 0 Months Ended | 1 Months Ended | 12 Months Ended | 1 Months Ended | 12 Months Ended | 1 Months Ended | 1 Months Ended | |||||||||||||||||
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           Dec. 14, 2012 
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           Oct. 31, 2012 
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           Aug. 31, 2012 
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           Jun. 30, 2013 
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           Jun. 30, 2012 
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           Apr. 04, 2013 
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           Oct. 30, 2012 
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           Jun. 14, 2012 
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           Jun. 30, 2013
 
          Second Tranche [Member] 
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           Jun. 30, 2013
 
          Third Tranche [Member] 
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           Jun. 30, 2013
 
          Second And Third Tranche [Member] 
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           Jun. 30, 2013
 
          Employee Stock Option [Member] 
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           Jun. 14, 2013
 
          Baytree Capital [Member] 
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           Jun. 30, 2013
 
          Baytree Capital [Member] 
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           Oct. 31, 2012
 
          Common Stock [Member] 
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           Aug. 31, 2012
 
          Common Stock [Member] 
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           Jun. 30, 2013
 
          Common Stock [Member] 
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           Oct. 31, 2012
 
          Warrant [Member] 
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           Aug. 31, 2012
 
          Warrant [Member] 
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           Jun. 30, 2013
 
          Warrant [Member] 
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           Jun. 13, 2013
 
          Baytree [Member] 
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           Feb. 25, 2013
 
          Baytree [Member] 
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           Jun. 30, 2013
 
          Baytree [Member] 
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           Jun. 30, 2012
 
          Baytree [Member] 
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           Dec. 14, 2012
 
          Baytree [Member] 
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           Apr. 04, 2013
 
          Caro Capital Llc [Member] 
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           Jun. 30, 2012
 
          June 2012 Warrants [Member] 
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           Jun. 30, 2013
 
          June 2012 Warrants [Member] 
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           Jun. 14, 2012
 
          Advisory Agreement [Member] 
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           Dec. 14, 2012
 
          Advisory Agreement [Member] 
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           Jun. 14, 2012
 
          Advisory Agreement [Member]
 
          Restricted Stock 
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           Jun. 30, 2012
 
          Private Placement [Member] 
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           Oct. 30, 2012
 
          Subsequent Event [Member]
 
          Private Placement [Member] 
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           Jun. 30, 2012
 
          Subsequent Event [Member]
 
          Private Placement [Member] 
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| Stockholders Equity Note Disclosure [Line Items] | ||||||||||||||||||||||||||||||||||
| Common stock, authorized | 145,000,000 | 145,000,000 | ||||||||||||||||||||||||||||||||
| Common stock, par value | $ 0.001 | $ 0.001 | $ 0.60 | $ 0.90 | ||||||||||||||||||||||||||||||
| Preferred stock, authorized | 5,000,000 | 5,000,000 | ||||||||||||||||||||||||||||||||
| Preferred stock, par value | $ 0.001 | $ 0.001 | ||||||||||||||||||||||||||||||||
| Preferred stock, issued | 0 | 0 | ||||||||||||||||||||||||||||||||
| Preferred stock, outstanding | 0 | 0 | ||||||||||||||||||||||||||||||||
| Shares of common stocks issued | 100,000 | 100,000 | 100,000 | 48,287 | 120,719 | 100,000 | 100,000 | 2,813,000 | 100,000 | 241,437 | ||||||||||||||||||||||||
| Warrants issued | 2,907,347 | 562,551 | ||||||||||||||||||||||||||||||||
| Net proceeds from issuance of common stock and warrants | $ 978,000 | $ 1,123,000 | $ 1,126,000 | |||||||||||||||||||||||||||||||
| Advisory service agreement period | 24 months | |||||||||||||||||||||||||||||||||
| Warrant to purchase restricted shares of common stock | 1,837,777 | |||||||||||||||||||||||||||||||||
| Warrant term | 5 years | 5 years | 5 years | 5 years | ||||||||||||||||||||||||||||||
| Common stock initial exercise price | 0.41 | 0.41 | 0.41 | 0.41 | ||||||||||||||||||||||||||||||
| Shares of common stock outstanding under the option plan | 2,527,388 | 4,536,949 | ||||||||||||||||||||||||||||||||
| Accredited Investor Unit | 250,000 | 250,000 | 500,000 | |||||||||||||||||||||||||||||||
| Common Stock Unit | 603,592 | 603,594 | 1,207,185 | |||||||||||||||||||||||||||||||
| Warrant Units | 120,718 | 120,719 | ||||||||||||||||||||||||||||||||
| Prepaid Advisory Fees | 90,000 | 3,258,000 | ||||||||||||||||||||||||||||||||
| Amortization of prepaid advisory fees | 1,719,000 | 68,000 | 1,629,000 | 68,000 | ||||||||||||||||||||||||||||||
| Proceeds from Issuance or Sale of Equity | 77,000 | 231,000 | 672,000 | 22,000 | 241,436 | 603,594 | 1,690,063 | 338,013 | ||||||||||||||||||||||||||
| Exercised | (549,552) | 549,552 | 2,000,000 | |||||||||||||||||||||||||||||||
| Stock or Unit Option Plan Expense | 124,000 | |||||||||||||||||||||||||||||||||
| Stock Options Expense Expected To Be Recognized | 5 years 10 months 6 days | |||||||||||||||||||||||||||||||||
| Common Stock Value | 47,000 | 44,000 | 44,000 | |||||||||||||||||||||||||||||||
| Restricted Stock Per Contract Terms | 100,000 | |||||||||||||||||||||||||||||||||
| Due to Related Parties, Current | 90,000 | |||||||||||||||||||||||||||||||||
| Derivative Asset Fair Value Net | 1,561,000 | |||||||||||||||||||||||||||||||||
| Accrued expenses | 211,000 | 323,000 | 60,000 | |||||||||||||||||||||||||||||||
| Increase (Decrease) in Prepaid Expenses | 55,000 | |||||||||||||||||||||||||||||||||
| Consulting expense | 5,000 | |||||||||||||||||||||||||||||||||
| Issuance Of Restricted Shares | 100,000 | 100,000 | 200,000 | 500,000 | ||||||||||||||||||||||||||||||
| Issuance Of Restricted Stock Price Per Share | $ 0.50 | $ 0.32 | ||||||||||||||||||||||||||||||||
| Issuance Of Restricted Shares Value | 50,000 | 32,000 | 82,000 | |||||||||||||||||||||||||||||||
| Exercisable options intrinsic value | $ 96,000 | |||||||||||||||||||||||||||||||||