ORGANIZATION AND DESCRIPTION OF BUSINESS	6 Months Ended
Jun. 30, 2016
ORGANIZATION AND DESCRIPTION OF BUSINESS [Abstract]
ORGANIZATION AND DESCRIPTION OF BUSINESS	1. ORGANIZATION AND DESCRIPTION OF BUSINESS We are a biopharmaceutical company involved in the development of an injectable collagenase clostridium histolyticum, or CCH, for multiple indications. We currently have a development and license agreement with Endo Global Ventures International plc (together with Endo International plc, an affiliate of Endo Global Ventures, “Endo”) for injectable collagenase for marketed indications and indications in development. Endo assumed this agreement when Endo acquired Auxilium Pharmaceuticals, Inc. (“Auxilium”) on January 29, 2015 (the “Acquisition”). CCH is marketed as XIAFLEX® (or XIAPEX® in Europe). On February 5, 2016, we announced that we had entered into with Endo the First Amendment (the “First Amendment”) to the Second Amended and Restated Development and Licensing Agreement (the “Auxilium Agreement”), by and between us and Auxilium, now a wholly-owned subsidiary of Endo, to amend certain provisions of the Auxilium Agreement (as amended by the First Amendment, the “License Agreement”). The effective date of the First Amendment was January 1, 2016. Pursuant to the First Amendment, we and Endo mutually agreed that in exchange for a $8.25 million lump sum payment, we will not receive future additional mark-up on cost of goods sold for sales by non-affiliated sublicensees of Endo outside of the U.S.; provided, however, that Endo will still be required to pay a mark-up on cost of goods sold for sales made in the "Endo Territory," which includes sales made in the U.S. and sales made in any other country where Endo sells the product directly or through affiliated sublicensees. We received this $8.25 million lump sum payment in February 2016 and began recognizing this income over time based on sales by non-affiliated sublicensees of Endo outside of the U.S. according to our revenue recognition policy in the second quarter of 2016. Additionally, we agreed that Endo may opt-in early to indications, prior to our submission of a clinical trial report, with our consent, such consent not to be unreasonably withheld. For early opt-ins, Endo will be required to make an opt-in payment of $0.5 million on a per indication basis. For regular opt-ins, following our submission of a clinical trial report, Endo will be required to make an opt-in payment on a per indication basis. The two marketed indications involving our injectable collagenase are Dupuytren’s contracture and Peyronie’s disease. Prior to the Acquisition, Auxilium had, and after the Acquisition, Endo has, opted-in to the following indications: frozen shoulder, cellulite, canine lipoma, lateral hip fat and plantar fibromatosis. We are currently conducting studies with respect to uterine fibroids and have finished the development work on human lipomas. On July 29, 2016, Endo exercised its opt-in right under the license agreement with respect to the human lipoma indication. Based on public statements made by Endo, Endo is also interested in several other new unlicensed indications, including: capsular contracture of the breast, Dercum’s disease, knee arthrofibrosis, urethral strictures, hypertrophic scars and keloids. Endo is currently selling XIAFLEX in the U.S. for the treatment of Dupuytren’s contracture and Peyronie’s disease and has an agreement with Swedish Orphan Biovitrum AB (“Sobi”), pursuant to which Sobi has marketing rights for XIAPEX for Dupuytren’s contracture and Peyronie’s disease in Europe and certain Eurasian countries. Sobi is currently selling XIAPEX in Europe for the treatment of Dupuytren’s contracture and Peyronie’s disease. In addition, Endo has an agreement with Asahi Kasei Pharma Corporation (“Asahi”) pursuant to which Asahi has the right to commercialize XIAFLEX for the treatment of Dupuytren’s contracture and Peyronie’s disease in Japan. Asahi has received regulatory approval and is currently selling XIAFLEX for the treatment of Dupuytren’s contracture in Japan. Endo also has an agreement with Actelion Pharmaceuticals Ltd. (“Actelion”), pursuant to which Actelion has the right to commercialize XIAFLEX for the treatment of Dupuytren’s contracture and Peyronie’s disease in Canada and Australia. Actelion has received regulatory approval for and is currently selling XIAFLEX in Canada and Australia for the treatment of Dupuytren’s contracture and for Peyronie’s disease in Australia.

1. ORGANIZATION AND DESCRIPTION OF BUSINESS

We are a biopharmaceutical company involved in the development of an injectable collagenase clostridium histolyticum, or CCH, for multiple indications. We currently have a development and license agreement with Endo Global Ventures International plc (together with Endo International plc, an affiliate of Endo Global Ventures, “Endo”) for injectable collagenase for marketed indications and indications in development. Endo assumed this agreement when Endo acquired Auxilium Pharmaceuticals, Inc. (“Auxilium”) on January 29, 2015 (the “Acquisition”). CCH is marketed as XIAFLEX® (or XIAPEX® in Europe).

On February 5, 2016, we announced that we had entered into with Endo the First Amendment (the “First Amendment”) to the Second Amended and Restated Development and Licensing Agreement (the “Auxilium Agreement”), by and between us and Auxilium, now a wholly-owned subsidiary of Endo, to amend certain provisions of the Auxilium Agreement (as amended by the First Amendment, the “License Agreement”). The effective date of the First Amendment was January 1, 2016. Pursuant to the First Amendment, we and Endo mutually agreed that in exchange for a $8.25 million lump sum payment, we will not receive future additional mark-up on cost of goods sold for sales by non-affiliated sublicensees of Endo outside of the U.S.; provided, however, that Endo will still be required to pay a mark-up on cost of goods sold for sales made in the "Endo Territory," which includes sales made in the U.S. and sales made in any other country where Endo sells the product directly or through affiliated sublicensees. We received this $8.25 million lump sum payment in February 2016 and began recognizing this income over time based on sales by non-affiliated sublicensees of Endo outside of the U.S. according to our revenue recognition policy in the second quarter of 2016.

Additionally, we agreed that Endo may opt-in early to indications, prior to our submission of a clinical trial report, with our consent, such consent not to be unreasonably withheld. For early opt-ins, Endo will be required to make an opt-in payment of $0.5 million on a per indication basis. For regular opt-ins, following our submission of a clinical trial report, Endo will be required to make an opt-in payment on a per indication basis.

The two marketed indications involving our injectable collagenase are Dupuytren’s contracture and Peyronie’s disease. Prior to the Acquisition, Auxilium had, and after the Acquisition, Endo has, opted-in to the following indications: frozen shoulder, cellulite, canine lipoma, lateral hip fat and plantar fibromatosis. We are currently conducting studies with respect to uterine fibroids and have finished the development work on human lipomas. On July 29, 2016, Endo exercised its opt-in right under the license agreement with respect to the human lipoma indication. Based on public statements made by Endo, Endo is also interested in several other new unlicensed indications, including: capsular contracture of the breast, Dercum’s disease, knee arthrofibrosis, urethral strictures, hypertrophic scars and keloids.

Endo is currently selling XIAFLEX in the U.S. for the treatment of Dupuytren’s contracture and Peyronie’s disease and has an agreement with Swedish Orphan Biovitrum AB (“Sobi”), pursuant to which Sobi has marketing rights for XIAPEX for Dupuytren’s contracture and Peyronie’s disease in Europe and certain Eurasian countries. Sobi is currently selling XIAPEX in Europe for the treatment of Dupuytren’s contracture and Peyronie’s disease. In addition, Endo has an agreement with Asahi Kasei Pharma Corporation (“Asahi”) pursuant to which Asahi has the right to commercialize XIAFLEX for the treatment of Dupuytren’s contracture and Peyronie’s disease in Japan. Asahi has received regulatory approval and is currently selling XIAFLEX for the treatment of Dupuytren’s contracture in Japan. Endo also has an agreement with Actelion Pharmaceuticals Ltd. (“Actelion”), pursuant to which Actelion has the right to commercialize XIAFLEX for the treatment of Dupuytren’s contracture and Peyronie’s disease in Canada and Australia. Actelion has received regulatory approval for and is currently selling XIAFLEX in Canada and Australia for the treatment of Dupuytren’s contracture and for Peyronie’s disease in Australia.