Refundable Reserach Development and Income Taxes - Schedule of Effective Income Tax Rate Provision Amount Differs from Statutory U.S. Federal Income Tax Rate (Detail) - USD ($) |
12 Months Ended | ||
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Dec. 31, 2017 |
Dec. 31, 2016 |
Dec. 31, 2015 |
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Income Tax Expense Benefit Continuing Operations [Abstract] | |||
Statutory U.S. federal income tax, Amount | $ (17,852,133) | $ (9,222,377) | $ (15,815,425) |
State income taxes, net of federal benefit, Amount | (1,634,924) | (992,768) | (685,158) |
Change in valuation allowances, Amount | 11,176,291 | 12,923,538 | 6,932,927 |
Re-measurement of deferred taxes, Amount | 15,659,916 | ||
Tax credits, Amount | (3,316,729) | (2,933,836) | (488,588) |
Acquisition Accounting, Amount | 9,005,240 | ||
Permanent and other, Amount | $ (4,032,421) | $ 225,443 | $ 1,051,004 |
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- Definition Income tax reconciliation change in acquisition accounting. No definition available.
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- Definition Income tax reconciliation change in permanent and other. No definition available.
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- Definition Tax cuts and jobs act of 2017 re-measurement of deferred taxes. No definition available.
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- References No definition available.
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- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to increase (decrease) in the valuation allowance for deferred tax assets. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to state and local income tax expense (benefit). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to tax credits. Including, but not limited to, research credit, foreign tax credit, investment tax credit, and other tax credits. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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