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Stock Based Compensation (Details) (USD $)
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3 Months Ended | |
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Mar. 31, 2015
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Mar. 31, 2014
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| Stock-based compensation [Line Items] | ||
| Stock-based compensation expense included in operating expense | $ 224,000us-gaap_AllocatedShareBasedCompensationExpense | $ 795,000us-gaap_AllocatedShareBasedCompensationExpense |
| Directors and officers [Member] | ||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||
| Stock granted, value, share-based compensation |
0us-gaap_StockGrantedDuringPeriodValueSharebasedCompensationGross / us-gaap_TitleOfIndividualAxis = accp_DirectorsAndOfficersMember |
0us-gaap_StockGrantedDuringPeriodValueSharebasedCompensationGross / us-gaap_TitleOfIndividualAxis = accp_DirectorsAndOfficersMember |
| Stock options [Member] | ||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||
| Stock options granted (in shares) |
120,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember |
210,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember |
| Research and development [Member] | ||
| Stock-based compensation [Line Items] | ||
| Stock-based compensation expense included in operating expense |
18,000us-gaap_AllocatedShareBasedCompensationExpense / us-gaap_IncomeStatementLocationAxis = us-gaap_ResearchAndDevelopmentExpenseMember |
77,000us-gaap_AllocatedShareBasedCompensationExpense / us-gaap_IncomeStatementLocationAxis = us-gaap_ResearchAndDevelopmentExpenseMember |
| General and administrative [Member] | ||
| Stock-based compensation [Line Items] | ||
| Stock-based compensation expense included in operating expense |
$ 206,000us-gaap_AllocatedShareBasedCompensationExpense / us-gaap_IncomeStatementLocationAxis = us-gaap_GeneralAndAdministrativeExpenseMember |
$ 718,000us-gaap_AllocatedShareBasedCompensationExpense / us-gaap_IncomeStatementLocationAxis = us-gaap_GeneralAndAdministrativeExpenseMember |
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- Definition
Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Gross number of share options (or share units) granted during the period. No definition available.
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- Definition
Value, before forfeitures, of stock or other type of equity granted of any equity-based compensation plan other than an employee stock ownership plan (ESOP). No definition available.
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