LIABILITY RELATED TO SALE OF FUTURE ROYALTIES	12 Months Ended
Dec. 31, 2015
LIABILITY RELATED TO SALE OF FUTURE ROYALTIES
LIABILITY RELATED TO SALE OF FUTURE ROYALTIES	NOTE 9. LIABILITY RELATED TO SALE OF FUTURE ROYALTIES As noted above, in October 2013, the Company sold its interests in royalty and milestone payments under its license agreements in the Type 2 diabetes therapeutic area to PDL for $240.5 million. Until September 30, 2014, this transaction was accounted for as debt that was amortized using the interest method over the life of the arrangement. In order to determine the amortization of the debt, the Company was required to estimate the total amount of future royalty payments to be received by PDL and payments the Company is required to make to PDL, if any, over the life of the arrangement. The sum of these amounts less the $240.5 million proceeds the Company received was recorded as interest expense over the life of the debt. Consequently, the Company imputed interest on the unamortized portion of the debt and recorded interest expense using an estimated interest rate for an arms-length debt transaction. The Company's estimate of the interest rate under the arrangement was based on the amount of royalty and milestone payments expected to be received by PDL over the life of the arrangement. The Company's estimate of this total interest expense resulted in an effective annual interest rate of approximately 10%. As a result of the debt accounting, even though the Company did not retain the rights to receive the related royalties and milestones under the transaction (as the amounts are remitted to PDL), the Company continued to record revenue related to these royalties and milestones until September 30, 2014. The Company recognized $242.8 million of non-cash PDL royalty revenue for 2014. The Company incurred $14.6 million of non-cash interest expense on PDL liability for the 2014. Effective October 1, 2014, the Company, Valeant, Salix and PDL executed an amended agreement which eliminated any and all continuing obligations on the part of the Company in the supply of 1000mg Glumetza tablets. Consequently, the entire outstanding balance of the liability related to the sale of future royalties and milestones of approximately $147.0 million was recognized as non-cash PDL royalty revenue during the fourth quarter of 2014.

NOTE 9. LIABILITY RELATED TO SALE OF FUTURE ROYALTIES

As noted above, in October 2013, the Company sold its interests in royalty and milestone payments under its license agreements in the Type 2 diabetes therapeutic area to PDL for $240.5 million. Until September 30, 2014, this transaction was accounted for as debt that was amortized using the interest method over the life of the arrangement. In order to determine the amortization of the debt, the Company was required to estimate the total amount of future royalty payments to be received by PDL and payments the Company is required to make to PDL, if any, over the life of the arrangement. The sum of these amounts less the $240.5 million proceeds the Company received was recorded as interest expense over the life of the debt. Consequently, the Company imputed interest on the unamortized portion of the debt and recorded interest expense using an estimated interest rate for an arms-length debt transaction. The Company's estimate of the interest rate under the arrangement was based on the amount of royalty and milestone payments expected to be received by PDL over the life of the arrangement. The Company's estimate of this total interest expense resulted in an effective annual interest rate of approximately 10%.

As a result of the debt accounting, even though the Company did not retain the rights to receive the related royalties and milestones under the transaction (as the amounts are remitted to PDL), the Company continued to record revenue related to these royalties and milestones until September 30, 2014. The Company recognized $242.8 million of non-cash PDL royalty revenue for 2014. The Company incurred $14.6 million of non-cash interest expense on PDL liability for the 2014.

Effective October 1, 2014, the Company, Valeant, Salix and PDL executed an amended agreement which eliminated any and all continuing obligations on the part of the Company in the supply of 1000mg Glumetza tablets. Consequently, the entire outstanding balance of the liability related to the sale of future royalties and milestones of approximately $147.0 million was recognized as non-cash PDL royalty revenue during the fourth quarter of 2014.