Stock Options and Warrants - Warrants Issued with Other Financings - Additional Information (Detail) |
1 Months Ended | 12 Months Ended | |
---|---|---|---|
Jan. 22, 2013 |
Sep. 30, 2011
Tranche
$ / shares
shares
|
Dec. 31, 2016 |
|
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||
Warrant term | 5 years | ||
Skin Care [Member] | |||
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||
Number of tranches of common stock warrants issuable | Tranche | 2 | ||
Number of shares which can be purchased by the exercise of warrants | shares | 667 | ||
Strike price, tranche one | $ 225.00 | ||
Strike price, tranche two | $ 300.00 | ||
Vesting over four quarters | Four quarters | ||
Warrant term | 5 years | ||
Expiration date of warrants | Sep. 30, 2016 | ||
Skin Care [Member] | Maximum [Member] | |||
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||
Warrant term | 5 years |