XML 44 R19.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Significant Accounting Policies (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2015
Summarizes Activity of the Net Product Revenue Allowance and Reserve Categories | The following table summarizes activity in each of the net product revenue allowance and reserve categories described above for the three months ended March 31, 2015 and 2014 (in thousands):
|  | Trade Allowances |  |  | Rebates, Chargebacks and Discounts |  |  | Product Returns |  |  | Other Incentives |  |  | Total |
Balance at December 31, 2014 |  | $ | 2,207 |  |  | $ | 3,610 |  |  | $ | 481 |  |  | $ | 792 |  |  | $ | 7,090 |
Provision related to current period sales |  |  | 2,756 |  |  |  | 5,145 |  |  |  | 127 |  |  |  | 1,717 |  |  |  | 9,745 |
Provision related to prior period sales |  |  | — |  |  |  | 74 |  |  |  | — |  |  |  | — |  |  |  | 74 |
Credits/payments made for current period sales |  |  | (462 | ) |  |  | (1,288 | ) |  |  | — |  |  |  | (1,085 | ) |  |  | (2,835 | )
Credits/payments made for prior period sales |  |  | (1,555 | ) |  |  | (3,367 | ) |  |  | — |  |  |  | (607 | ) |  |  | (5,529 | )
Balance at March 31, 2015 |  | $ | 2,946 |  |  | $ | 4,174 |  |  | $ | 608 |  |  | $ | 817 |  |  | $ | 8,545 |
|  | Trade Allowances |  |  | Rebates, Chargebacks and Discounts |  |  | Product Returns |  |  | Other Incentives |  |  | Total |
Balance at December 31, 2013 |  | $ | 1,071 |  |  | $ | 1,137 |  |  | $ | 72 |  |  | $ | 189 |  |  | $ | 2,469 |
Provision related to current period sales |  |  | 1,400 |  |  |  | 1,930 |  |  |  | 68 |  |  |  | 901 |  |  |  | 4,299 |
Provision related to prior period sales |  |  | — |  |  |  | — |  |  |  | 12 |  |  |  | — |  |  |  | 12 |
Credits/payments made for current period sales |  |  | (411 | ) |  |  | (765 | ) |  |  | — |  |  |  | (972 | ) |  |  | (2,148 | )
Credits/payments made for prior period sales |  |  | (926 | ) |  |  | (911 | ) |  |  | — |  |  |  | — |  |  |  | (1,837 | )
Balance at March 31, 2014 |  | $ | 1,134 |  |  | $ | 1,391 |  |  | $ | 152 |  |  | $ | 118 |  |  | $ | 2,795 |
Summarizes the Impact of Accounts Receivable Reserves on Gross Trade Accounts Receivable | The following table summarizes the impact of accounts receivable reserves on the gross trade accounts receivable balances as of March 31, 2015 and December 31, 2014 (in thousands):
|  | March 31, 2015 |  |  | December 31, 2014 |
Gross trade accounts receivable |  | $ | 11,796 |  |  | $ | 10,215 |
Trade allowances |  |  | (2,946 | ) |  |  | (2,207 | )
Chargebacks |  |  | (305 | ) |  |  | (166 | )
Accounts receivable, net |  | $ | 8,545 |  |  | $ | 7,842 |
Estimated Useful Lives | The estimated useful lives, by asset classification, are as follows:
Asset Classification |  | Useful Lives
Computer equipment and software |  | 3 - 5 years
Furniture and fixtures |  | 5 years
Leasehold improvements |  | Lesser of useful life or lease term
Net Income Loss and the Number of Shares Used to Compute Basic and Diluted Earnings per Share | The calculation of net loss and the number of shares used to compute basic and diluted earnings per share for the three months ended March 31, 2015 and 2014 are as follows:
In thousands |  | March 31, 2015 |  |  | March 31, 2014 |
Net loss |  | $ | (31,126 | ) |  | $ | (25,980 | )
Preferred stock purchase option (see Note 8) |  |  | (868 | ) |  |  | — |
Net loss applicable to common shareholders—basic |  |  | (31,994 | ) |  |  | (25,980 | )
Gain on warrant derivative liability |  |  | (119 | ) |  |  | (965 | )
Net loss—diluted |  |  | (32,113 | ) |  |  | (26,945 | )
Net loss per share—basic |  |  | (0.18 | ) |  |  | (0.15 | )
Weighted average shares outstanding—basic |  |  | 175,582 |  |  |  | 172,872 |
Effect of dilutive warrants |  |  | — |  |  |  | 1,559 |
Weighted average shares outstanding—diluted |  |  | 175,582 |  |  |  | 174,431 |
Net income loss per share—diluted |  | $ | (0.18 | ) |  | $ | (0.15 | )
Anti-Dilutive Securities Not Included in the Computation of Net Loss per Share | For the three months ended March 31, 2015 and 2014, the following potentially dilutive securities were not included in the computation of net loss per share because the effect would be anti-dilutive:
In thousands |  | March 31, 2015 |  |  | March 31, 2014 |
Stock options |  |  | 12,078 |  |  |  | 11,577 |
Restricted stock and restricted stock units |  |  | 4,071 |  |  |  | 2,168 |
Warrants |  |  | — |  |  |  | 1,685 |
Exchangeable senior notes (if converted) |  |  | 49,215 |  |  |  | 17,021 |
Preferred stock (if converted) |  |  | 35,215 |  |  |  | — |
Assets and Liability Measured at Fair Value on a Recurring Basis | The following table presents information about the Company’s assets and liabilities as of March 31, 2015 and December 31, 2014 that are measured at fair value on a recurring basis and indicates the fair value hierarchy of the valuation techniques the Company utilized to determine such fair value:
|  | March 31, 2015 |
In thousands |  | Total |  |  | Level 1 |  |  | Level 2 |  |  | Level 3 |
Asset: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash equivalents—money markets |  | $ | 40,163 |  |  | $ | 40,163 |  |  | $ | — |  |  | $ | — |
Liabilities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt derivative liabilities |  | $ | 6,100 |  |  | $ | — |  |  | $ | — |  |  | $ | 6,100 |
|  | December 31, 2014 |
In thousands |  | Total |  |  | Level 1 |  |  | Level 2 |  |  | Level 3 |
Asset: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash equivalents—money markets |  | $ | 65,156 |  |  | $ | 65,156 |  |  | $ | — |  |  | $ | — |
Liabilities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrant derivative liability |  | $ | 119 |  |  | $ | — |  |  | $ | — |  |  | $ | 119 |
Long-term debt derivative liability |  | $ | 7,400 |  |  | $ | — |  |  | $ | — |  |  | $ | 7,400 |
Carrying Amounts and Estimated Fair Values of Debt Instruments | The carrying amounts and the estimated fair values of debt instruments as of March 31, 2015 and December 31, 2014 are as follows:
|  | March 31, 2015 |  |  | December 31, 2014 |
In thousands |  | Carrying Value |  |  | Estimated Fair Value |  |  | Carrying Value |  |  | Estimated Fair Value |
Long-term debt—December 2012 financing |  | $ | 90,082 |  |  | $ | 84,900 |  |  | $ | 89,617 |  |  | $ | 81,000 |
2012 Notes |  |  | 31,266 |  |  |  | 26,521 |  |  |  | 31,266 |  |  |  | 25,689 |
2014 Notes |  |  | 91,926 |  |  |  | 124,932 |  |  |  | 90,580 |  |  |  | 75,533 |
Change in Fair Value of Derivative Liabilities | The change in the fair value of derivative liabilities is as follows (in thousands):
|  | October 2009 Warrants |  |  | Long-Term Debt Derivative Liabilities |  |  | Preferred Stock Purchase Option |  |  | Totals |
Balance at December 31, 2014 |  | $ | 119 |  |  | $ | 7,400 |  |  | $ | — |  |  | $ | 7,519 |
Record derivative liability |  |  | — |  |  |  | — |  |  |  | 868 |  |  |  | 868 |
Gain on change in fair value of derivative liabilities |  |  | (110 | ) |  |  | (1,300 | ) |  |  | 946 |  |  |  | (464 | )
Compensation income for change in fair value of warrants issued to former employees |  |  | (9 | ) |  |  | — |  |  |  | — |  |  |  | (9 | )
Transfer derivative liability to equity |  |  | — |  |  |  | — |  |  |  | (1,814 | ) |  |  | (1,814 | )
Balance at March 31, 2015 |  | $ | — |  |  | $ | 6,100 |  |  | $ | — |  |  | $ | 6,100 |
|  | October 2009 Warrants |  |  | Long-Term Debt Derivative Liability |  |  | Totals |
Balance at December 31, 2013 |  | $ | 6,894 |  |  | $ | 11,100 |  |  | $ | 17,994 |
Gain on change in fair value of derivative liability |  |  | (893 | ) |  |  | (3,500 | ) |  |  | (4,393 | )
Compensation income for change in fair value of warrants issued to former employees |  |  | (72 | ) |  |  | — |  |  |  | (72 | )
Balance at March 31, 2014 |  | $ | 5,929 |  |  | $ | 7,600 |  |  | $ | 13,529 |

X
- Definition Property, Plant and Equipment, Useful Life [Table Text Block] + References No definition available. + Details
Name: | amrn_PropertyPlantAndEquipmentUsefulLifeTableTextBlock
Namespace Prefix: | amrn_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Summary Of Valuation Allowances Table [Text Block] + References No definition available. + Details
Name: | amrn_SummaryOfValuationAllowancesTableTextBlock
Namespace Prefix: | amrn_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of financial instruments measured at fair value, including those classified in shareholders' equity measured on a recurring or nonrecurring basis. Disclosures include, but are not limited to, fair value measurements recorded and the reasons for the measurements, level within the fair value hierarchy in which the fair value measurements are categorized and transfers between levels 1 and 2. Nonrecurring fair value measurements are those that are required or permitted in the statement of financial position in particular circumstances. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19279-110258 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a,b,bb) -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2C -URI http://asc.fasb.org/extlink&oid=36462937&loc=SL7498348-110258 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19190-110258 + Details
Name: | us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the various types of trade accounts and notes receivable and for each the gross carrying value, allowance, and net carrying value as of the balance sheet date. Presentation is categorized by current, noncurrent and unclassified receivables. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.3,4) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 3, 4 -Article 5 + Details
Name: | us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) in the future that were not included in the computation of diluted EPS because to do so would increase EPS amounts or decrease loss per share amounts for the period presented, by antidilutive securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
Name: | us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of information pertaining to carrying amount and estimated fair value of short-term and long-term debt instruments or arrangements, including but not limited to, identification of terms, features, and collateral requirements. + References No definition available. + Details
Name: | us-gaap_ScheduleOfCarryingValuesAndEstimatedFairValuesOfDebtInstrumentsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of derivative liabilities at fair value. + References No definition available. + Details
Name: | us-gaap_ScheduleOfDerivativeLiabilitiesAtFairValueTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
Name: | us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration