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Stockholders' Equity - Additional Information (Detail) (USD $) | 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 | Oct. 31, 2012 | Aug. 31, 2012 | Jun. 30, 2013 | Jun. 30, 2012 | Apr. 04, 2013 | Oct. 30, 2012 | Jun. 14, 2012 | Jun. 30, 2013 Second Tranche [Member] | Jun. 30, 2013 Third Tranche [Member] | Jun. 30, 2013 Second And Third Tranche [Member] | Jun. 30, 2013 Employee Stock Option [Member] | Jun. 14, 2013 Baytree Capital [Member] | Jun. 30, 2013 Baytree Capital [Member] | Oct. 31, 2012 Common Stock [Member] | Aug. 31, 2012 Common Stock [Member] | Jun. 30, 2013 Common Stock [Member] | Oct. 31, 2012 Warrant [Member] | Aug. 31, 2012 Warrant [Member] | Jun. 30, 2013 Warrant [Member] | Jun. 13, 2013 Baytree [Member] | Feb. 25, 2013 Baytree [Member] | Jun. 30, 2013 Baytree [Member] | Jun. 30, 2012 Baytree [Member] | Dec. 14, 2012 Baytree [Member] | Apr. 04, 2013 Caro Capital Llc [Member] | Jun. 30, 2012 June 2012 Warrants [Member] | Jun. 30, 2013 June 2012 Warrants [Member] | Jun. 14, 2012 Advisory Agreement [Member] | Dec. 14, 2012 Advisory Agreement [Member] | Jun. 14, 2012 Advisory Agreement [Member] Restricted Stock | Jun. 30, 2012 Private Placement [Member] | Oct. 30, 2012 Subsequent Event [Member] Private Placement [Member] | Jun. 30, 2012 Subsequent Event [Member] Private Placement [Member]
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 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

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- Definition Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.28) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29 -Article 5 + Details
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