Tax Benefit Windfall

No definition available.

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- Definition

Amount after tax of increase (decrease) to equity or (increase) decrease to net assets, resulting from the cumulative effect adjustment of a new accounting principle applied in the period of adoption.

+ References

No definition available.

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- Definition

Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, with jurisdictional netting and classified as noncurrent.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
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- Definition

Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
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-Paragraph 2
-Subparagraph (b),(c)
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- Definition

Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32537-109319

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- Definition

Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

+ References

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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- Definition

The portion of the valuation allowance pertaining to the deferred tax asset representing potential future taxable deductions from net operating loss carryforwards for which it is more likely than not that a tax benefit will not be realized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset.

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Income Taxes (Details Textual) - USD ($)	3 Months Ended	6 Months Ended
Income Taxes (Details Textual) - USD ($)	Jun. 30, 2017	Jun. 30, 2017	Jan. 01, 2017	Dec. 31, 2016
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	$ 44,100,000	$ 44,100,000
Cumulative effect from change in accounting principal			$ 1,082,924
Deferred tax asset, net of related valuation allowance	17,000,000	17,000,000
Valuation allowance	15,900,000	15,900,000
Deferred tax assets, net	0	0		$ 3,119,930
Additional valuation allowance from utilization of net operating loss carryforwards	3,500,000	3,500,000
Income tax windfall benefit	100,000
State and Local Jurisdiction
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	$ 45,400,000	45,400,000
Restricted Stock
Operating Loss Carryforwards [Line Items]
Share-based payment award, vested in period (in shares)	146,275
Accounting Standards Update 2016-09
Operating Loss Carryforwards [Line Items]
Deferred tax assets, net			1,100,000
Accounting Standards Update 2016-09 \| Retained earnings
Operating Loss Carryforwards [Line Items]
Cumulative effect from change in accounting principal			$ 1,100,000
Orphan Drug and Research and Development Tax Credit
Operating Loss Carryforwards [Line Items]
Valuation allowance		$ 1,000,000