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Accrued Expenses and Other Current Liabilities | 12 Months Ended
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Dec. 31, 2015
Accrued Expenses and Other Current Liabilities | (6) Accrued Expenses and Other Current Liabilities Accrued expenses and other current liabilities consist of the following as of December 31, 2015 and 2014 (in thousands):
|  | 2015 |  |  | 2014 |
Payroll and payroll-related expenses |  | $ | 5,241 |  |  | $ | 3,525 |
Research and development expenses |  |  | 828 |  |  |  | 4,391 |
Sales and marketing accruals |  |  | 3,141 |  |  |  | 1,509 |
Accrued revenue allowances |  |  | 10,732 |  |  |  | 4,717 |
All other |  |  | 4,284 |  |  |  | 2,245 |
Total accrued expenses and other current liabilities |  | $ | 24,226 |  |  | $ | 16,387 |

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- Definition Discloses the breakout of accrued expenses and other liabilities that are not individually material for a separate caption on the statement of financial position between the current portion (payable within 12 months of year end or the operating cycle) and non-current (payable after 12 months from year end). + References No definition available. + Details
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Namespace Prefix: | amrn_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration