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STOCKHOLDERS' DEFICIT AND PREFERRED STOCK SUBJECT TO REDEMPTION (Detail Textuals 1) - USD ($) $ / shares in Units, $ in Millions | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2015 | Dec. 31, 2014
Class of Stock [Line Items] |  |
Preferred stock, shares authorized (in shares) | 5,000,000 | 8,887,500
Preferred stock, par value (in dollars per share) | $ 0.001 | $ 0.001
Number of preferred stock and preferred stock subject to redemption converted into common stock (in shares) | 3,322,650 |
Series A-1 Preferred stock |  |
Class of Stock [Line Items] |  |
Preferred stock, shares authorized (in shares) |  | 7,200,000
Preferred stock, par value (in dollars per share) |  | $ 0.001
Preferred stock, Annual dividend rate, per share | $ 0.00556 |
Original issue price per share, per share | 0.07 |
Series A-2 Preferred Stock |  |
Class of Stock [Line Items] |  |
Preferred stock, shares authorized (in shares) |  | 1,687,500
Preferred stock, par value (in dollars per share) |  | $ 0.001
Preferred stock, Annual dividend rate, per share | 0.032 |
Original issue price per share, per share | 0.40 |
Series A-3 Preferred Stock |  |
Class of Stock [Line Items] |  |
Preferred stock, shares authorized (in shares) |  | 4,220,464
Preferred stock, par value (in dollars per share) |  | $ 0.001
Liquidation preference, per share | 0.62 |
Preferred stock, Annual dividend rate, per share | 0.04957 |
Original issue price per share, per share | 0.62 |
Series B Preferred Stock |  |
Class of Stock [Line Items] |  |
Preferred stock, shares authorized (in shares) |  | 7,658,182
Preferred stock, par value (in dollars per share) |  | $ 0.001
Liquidation preference, per share | 1.19 |
Preferred stock, Annual dividend rate, per share | $ 0.09524 |
Preferred stock, undeclared dividends in arrears (in dollars) | $ 2.0 | $ 1.7
Original issue price per share, per share | $ 1.19 |
Purchase price, per share | 1.19 |
Series C preferred stock |  |
Class of Stock [Line Items] |  |
Preferred stock, shares authorized (in shares) |  | 4,500,000
Preferred stock, par value (in dollars per share) |  | $ 0.001
Liquidation preference, per share | 1.30 |
Preferred stock, Annual dividend rate, per share | 0.104 |
Original issue price per share, per share | 1.30 |
Purchase price, per share | $ 1.30 |

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- Definition Number of shares issued for each share of convertible preferred stock that is converted. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21475-112644 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 6 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21506-112644 Reference 3: 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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- Definition The per share liquidation preference (or restrictions) of nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) that has a preference in involuntary liquidation considerably in excess of the par or stated value of the shares. The liquidation preference is the difference between the preference in liquidation and the par or stated values of the share. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21475-112644 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21484-112644 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(d)(1)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 4: 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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