Stock Options and Warrants - Warrants Issued with Other Financings - Additional Information (Detail)
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1 Months Ended |
6 Months Ended |
12 Months Ended |
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Mar. 12, 2013
$ / shares
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Jan. 22, 2013
$ / shares
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Sep. 30, 2011
Tranches
$ / shares
shares
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Jun. 30, 2015
shares
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Dec. 31, 2014
shares
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Dec. 31, 2013
shares
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Aug. 31, 2013
$ / shares
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Dec. 31, 2012
shares
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Warrant term |
5 years
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5 years
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| Warrants outstanding |
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579,130
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850,058
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299,895
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3,500,000
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| Expiration date of warrants |
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Oct. 24, 2013
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| Number of warrants issued |
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837,602
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64,983,988
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| Warrants exercisable price | $ / shares |
$ 30.00
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$ 30.00
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$ 0.25
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| Warrants [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Number of warrants issued |
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1,400,000
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| Previously Reported [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Warrants outstanding |
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127,508,118
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44,983,988
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| Number of warrants issued |
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125,639,832
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| Warrants exercisable price | $ / shares |
$ 0.20
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$ 0.20
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| Skin Care [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Number of tranches of common stock warrants issuable | Tranches |
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2
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| Number of shares which can be purchased by the exercise of warrants |
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667
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| Strike prices | $ / shares |
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$ 225.00
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| Vesting over four quarters |
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Four quarters
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Four quarters
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| Warrant term |
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5 years
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| Warrants outstanding |
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1,334
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1,334
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1,334
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200,000
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| Expiration date of warrants |
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Sep. 30, 2016
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Sep. 30, 2016
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| Skin Care [Member] | Previously Reported [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Number of shares which can be purchased by the exercise of warrants |
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100,000
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| Strike prices | $ / shares |
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$ 1.50
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| Warrants outstanding |
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200,000
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200,000
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| Share-based Compensation Award, Tranche One [Member] | Skin Care [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Number of shares which can be purchased by the exercise of warrants |
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667
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| Strike prices | $ / shares |
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$ 225.00
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| Share-based Compensation Award, Tranche One [Member] | Skin Care [Member] | Previously Reported [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Number of shares which can be purchased by the exercise of warrants |
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100,000
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| Strike prices | $ / shares |
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$ 1.50
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| Share-based Compensation Award, Tranche Two [Member] | Skin Care [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Number of shares which can be purchased by the exercise of warrants |
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667
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| Strike prices | $ / shares |
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$ 300.00
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| Share-based Compensation Award, Tranche Two [Member] | Skin Care [Member] | Previously Reported [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Number of shares which can be purchased by the exercise of warrants |
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100,000
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| Strike prices | $ / shares |
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$ 2.00
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