Stockholders' Equity - Additional Information (Detail) | May 13, 2016USD ($)$ / sharesshares | Jul. 31, 2016 | Jul. 26, 2016USD ($) | Jul. 21, 2016USD ($)$ / sharesshares | May 31, 2016USD ($) | May 16, 2016USD ($)$ / sharesshares | Mar. 31, 2016$ / sharesshares | Jan. 21, 2016USD ($)$ / sharesshares | Apr. 30, 2015USD ($) | Mar. 31, 2015USD ($) | Nov. 01, 2014USD ($)$ / sharesshares | Jan. 31, 2014USD ($)$ / sharesshares | Jun. 30, 2016USD ($)$ / sharesshares | Jun. 30, 2015USD ($) | Aug. 15, 2016$ / shares | Dec. 31, 2015USD ($)$ / sharesshares | Nov. 30, 2015$ / shares |
Class of Stock [Line Items] | | | | | | | | | | | | | | | | | |
Common Stock, Shares Authorized | shares | | | | | | | | | | | | | 100,000,000 | | | 100,000,000 | |
Preferred Stock, Shares Authorized | shares | | | | | | | | | | | | | 10,000,000 | | | 10,000,000 | |
Class of Warrant or Right, Number of Securities Called by Warrants or Rights | shares | | | | | | | | 1,416,668 | | | | | | | | | |
Class of Warrant or Right, Exercise Price of Warrants or Rights | | | | | | | | $ 1.79 | | | | $ 30.40 | | | | | |
Sale of Stock, Price Per Share | | | | | | | $ 4.60 | | | | | | | | | | |
Preferred Stock, Par or Stated Value Per Share | | | | | | | | | | | | | $ 0.001 | | | $ 0.001 | |
Proceeds from Issuance of Common Stock | $ | | | | | $ 1,200,000 | | | | $ 1,835,000 | | | | $ 2,425,000 | $ 0 | | | |
Stock Issued During Period, Shares, New Issues | shares | | | | | | | 467,392 | | | | | | | | | | |
Cash Paid To Holder For Waiver | $ | | | | | | | | | | | | | | | | $ 35,000 | |
Preferred Stock, Redemption Terms | | | | | (i) on or prior to August 11, 2016, in an amount equal to 120% of the aggregate stated value then outstanding, and (ii) after August 11, 2016, in an amount equal to 135% of the aggregate stated value then outstanding | | | (i) on or prior to March 26, 2016, in an amount equal to 126% of the aggregate stated value then outstanding, (ii) after March 26, 2016 and on or prior to July 26, 2016, in an amount equal to 144% of the aggregate stated value then outstanding and (iii) after July 26, 2016, in an amount equal to 150% of the aggregate stated value then outstanding. | | | | | | | | | |
Percentage of Investors Subscription Amount | | | | | | | | 85.00% | | | | | | | | | |
Convertible Preferred Stock, Terms of Conversion | | | | | | | | (a) the conversion price then in effect or (b) 65% of the volume weighted average price of the Companys common stock for ten consecutive days prior to the applicable conversion date. | | | | | | | | | |
Conversion of Stock, Description | | | | | | | | the conversion of the Series C Preferred Stock in excess of 19.99% of the outstanding Common Stock and the removal of the Adjustment Floor within 120 days of the execution of the Purchase Agreement (the Shareholder Approval). The Company obtained Shareholder Approval on June 28, 2016. Additionally, until the Series C Preferred Stock is no longer outstanding, the Series C Investors may participate in future offerings for up to 50% of the amount of such offerings. | | | | | | | | | |
Commission Of Placement Agent, Percentage | | | | | | | | 10.00% | | | | | | | | | |
Commission Of Placement Agent, Value | $ | | | | | | | | $ 250,000 | | | | | | | | | |
Preferred Stock Dividends, Income Statement Impact | $ | | | | | | | | 466,667 | | | | | | | | | |
Purchase Agreement 2016 [Member] | | | | | | | | | | | | | | | | | |
Class of Stock [Line Items] | | | | | | | | | | | | | | | | | |
Class of Warrant or Right, Exercise Price of Warrants or Rights | | | | | | $ 2.005 | | | | | | | | | | | |
Percentage of Common Stock purchased By Each Purchaser | | | | | | 100.00% | | | | | | | | | | | |
Class Of Warrant or Right Expiration Period | | | | | | 5years | | | | | | | | | | | |
Series D Purchase Agreement [Member] | | | | | | | | | | | | | | | | | |
Class of Stock [Line Items] | | | | | | | | | | | | | | | | | |
Stock Issued During Period, Shares, New Issues | shares | 369 | | | | | | | | | | | | | | | | |
Proceeds from Contributions from Affiliates | $ | $ 144,000 | | | | | | | | | | | | | | | | |
Ladenburg Thalmann Co. Inc [Member] | | | | | | | | | | | | | | | | | |
Class of Stock [Line Items] | | | | | | | | | | | | | | | | | |
Class of Warrant or Right, Number of Securities Called by Warrants or Rights | shares | | | | | | | | | | | | | 5,762 | | | | |
Class of Warrant or Right, Exercise Price of Warrants or Rights | | | | | | | | | | | | | $ 5.75 | | | | |
Cash Paid To Placement Agent | $ | | | | | | | | | | | | | $ 106,000 | | | | |
Additional Cash paid to Placement Agent | $ | | | | | | | | | | | | | $ 50,000 | | | | |
Additional Class Of Warrant Or Right Issued | shares | | | | | | | | | | | | | 10,870 | | | | |
Investor [Member] | | | | | | | | | | | | | | | | | |
Class of Stock [Line Items] | | | | | | | | | | | | | | | | | |
Legal Fees | $ | | | | | | | | $ 25,000 | | | | | $ 50,000 | | | | |
Chardan Capital Markets [Member] | | | | | | | | | | | | | | | | | |
Class of Stock [Line Items] | | | | | | | | | | | | | | | | | |
Cash Paid To Placement Agent | $ | | | | | $ 116,932 | | | | | | | | | | | | |
Fortress Agreement [Member] | | | | | | | | | | | | | | | | | |
Class of Stock [Line Items] | | | | | | | | | | | | | | | | | |
Class of Warrant or Right, Exercise Price of Warrants or Rights | | | | | | | | | | | | | | | | | $ 2.54 |
Purchase Agreement [Member] | | | | | | | | | | | | | | | | | |
Class of Stock [Line Items] | | | | | | | | | | | | | | | | | |
Sale of Stock, Price Per Share | | | | | | $ 2.005 | | | | | | | | | | | |
Proceeds from Issuance of Common Stock | $ | | | | | | $ 1,300,000 | | | | $ 2,150,000 | | | | | | | |
Stock Issued During Period, Shares, New Issues | shares | | | | | | 648,000 | | | | | | | | | | | |
Subsequent Event [Member] | | | | | | | | | | | | | | | | | |
Class of Stock [Line Items] | | | | | | | | | | | | | | | | | |
Class of Warrant or Right, Exercise Price of Warrants or Rights | | | | | | | | | | | | | | | $ 2.005 | | |
Preferred Stock Redemptions Premium | | | | 180.00% | | | | | | | | | | | | | |
Warrant [Member] | | | | | | | | | | | | | | | | | |
Class of Stock [Line Items] | | | | | | | | | | | | | | | | | |
Class of Warrant or Right, Number of Securities Called by Warrants or Rights | shares | | | | | | | | | | | | 23,842 | | | | | |
Fair Value Adjustment of Warrants | $ | | | | | | | | | | | $ 164,196 | $ 348,963 | | | | | |
Class of Warrant or Right, Exercise Price of Warrants or Rights | | | | | | | | | | | $ 20.70 | $ 30.40 | | | | | |
Warrants To Purchase Shares Of Common Stock | shares | | | | | | | | | | | 27,750 | | | | | | |
Warrant [Member] | Fortress Agreement [Member] | | | | | | | | | | | | | | | | | |
Class of Stock [Line Items] | | | | | | | | | | | | | | | | | |
Class of Warrant or Right, Exercise Price of Warrants or Rights | | | | | | | | | | | | $ 22.70 | | | | | |
Common Stock [Member] | | | | | | | | | | | | | | | | | |
Class of Stock [Line Items] | | | | | | | | | | | | | | | | | |
Conversion Price Per Share | | | | | | | | $ 1.50 | | | | | | | | | |
Series C Preferred Stock [Member] | Private Placement [Member] | | | | | | | | | | | | | | | | | |
Class of Stock [Line Items] | | | | | | | | | | | | | | | | | |
Preferred Stock, Par or Stated Value Per Share | | | | | | | | $ 1,000 | | | | | | | | | |
Conversion of Stock, Shares Converted | shares | | | | | | | | 1,666,668 | | | | | | | | | |
Stock Issued During Period, Shares, New Issues | shares | | | | | | | | 2,500 | | | | | | | | | |
Conversion Price Per Share | | | | | | | | $ 1.50 | | | | | | | | | |
Stock Issued During Period, Value, New Issues | $ | | | | | | | | $ 2,500,000 | | | | | | | | | |
Series C Preferred Stock [Member] | Subsequent Event [Member] | | | | | | | | | | | | | | | | | |
Class of Stock [Line Items] | | | | | | | | | | | | | | | | | |
Preferred Stock Redemptions Premium | | | | 70.00% | | | | | | | | | | | | | |
Series D Preferred Stock [Member] | | | | | | | | | | | | | | | | | |
Class of Stock [Line Items] | | | | | | | | | | | | | | | | | |
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ 1.87 | | | | | | | | | | | | | | | | |
Class Of Warrant or Right Expiration Period | | | | | | | | | | | | | 5Years | | | | |
Preferred stock, Convertible, Conversion Price | 1.98 | | | | | | | | | | | | | | | | |
Percentage of Investors subscription amount Called by Warrants or Rights | | | | | | | | | | | | | 85.00% | | | | |
Proceeds from Issuance of Preferred Stock and Preference Stock | $ | | | | | $ 250,000 | | | | | | | | | | | | |
Series D Preferred Stock [Member] | Purchase Agreement [Member] | | | | | | | | | | | | | | | | | |
Class of Stock [Line Items] | | | | | | | | | | | | | | | | | |
Proceeds from Issuance of Convertible Preferred Stock | $ | $ 369,000 | | | | | | | | | | | | | | | | |
Sale of Stock, Price Per Share | $ 1,000 | | | | | | | | | | | | | | | | |
Series E Preferred Stock [Member] | Subsequent Event [Member] | | | | | | | | | | | | | | | | | |
Class of Stock [Line Items] | | | | | | | | | | | | | | | | | |
Preferred Stock, Par or Stated Value Per Share | | | | $ 1,000 | | | | | | | | | | | | | |
Conversion of Stock, Shares Converted | shares | | | | 1,496,262 | | | | | | | | | | | | | |
Conversion Price Per Share | | | | $ 2.005 | | | | | | | | | | | | | |
Stock Issued During Period, Value, New Issues | $ | | | | $ 3,000,000 | | | | | | | | | | | | | |
Preferred Stock, Redemption Terms | | The Series E Preferred Stock contains provisions providing for an adjustment in the conversion price upon the occurrence of certain events, including stock splits, stock dividends, and fundamental transactions. However, in no event may the conversion price be lower than $0.25 per share. The Company may redeem some or all of the Series E Preferred Stock for cash as follows: (i) on or prior to September 25, 2016, in an amount equal to 126% of the aggregate stated value then outstanding, (ii) after September 25, 2016 and on or prior to January 25, 2017, in an amount equal to 144% of the aggregate stated value then outstanding and (iii) after January 25, 2017, in an amount equal to 150% of the aggregate stated value then outstanding. | | | | | | | | | | | | | | | |
Convertible Preferred Stock, Terms of Conversion | | (a) the conversion price then in effect or (b) 65% of the volume weighted average price of the Company’s common stock for ten consecutive days prior to the applicable conversion date. | | | | | | | | | | | | | | | |
Conversion of Stock, Description | | | | common stock for the issuance of the number of shares of common stock issuable upon the conversion of the Series E Preferred Stock in excess of 19.99% of the outstanding common stock (the Shareholder Approval). Until the Company obtains the Shareholder Approval, the conversion of the Series E Preferred Stock is limited to 19.99% of the currently outstanding common stock. Additionally, until the Series E Preferred Stock is no longer outstanding, the Investors may participate in future offerings for up to 50% of the amount of such offerings. | | | | | | | | | | | | | |
Proceeds from Issuance of Preferred Stock and Preference Stock | $ | | | $ 2,825,000 | $ 3,000,000 | | | | | | | | | | | | | |
Preferred Stock Redemptions Premium | | | | 162.00% | | | | | | | | | | | | | |
Series E Preferred Stock [Member] | Subsequent Event [Member] | Private Placement [Member] | | | | | | | | | | | | | | | | | |
Class of Stock [Line Items] | | | | | | | | | | | | | | | | | |
Stock Issued During Period, Shares, New Issues | shares | | | | 3,000 | | | | | | | | | | | | | |
Maximum [Member] | | | | | | | | | | | | | | | | | |
Class of Stock [Line Items] | | | | | | | | | | | | | | | | | |
Common Stock, Shares Authorized | shares | | | | | | | | | | | | | 110,000,000 | | | | |