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- Definition

Class Of Warrant Or Right, Exercise Price Of Warrants Or Rights, Decrease Threshold

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- Definition

Class of Warrant or Right, Duration of Warrants or Rights Expiration

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- Definition

Warrants to be purchased common stock shares.

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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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- Definition

Exercise price per share or per unit of warrants or rights outstanding.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(i)(4))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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- Definition

Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.

+ References

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-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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- Definition

Amount of expense (income) related to adjustment to fair value of warrant liability.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 480
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- Definition

Expected dividends to be paid to holders of the underlying shares or financial instruments (expressed as a percentage of the share or instrument's price).

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Period the instrument, asset or liability is expected to be outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Measure of dispersion, in percentage terms (for instance, the standard deviation or variance), for a given stock price.

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- Definition

Risk-free interest rate assumption used in valuing an instrument.

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- Definition

Amount of revenue and income classified as other.

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

The cash inflow from issuance of rights to purchase common shares at predetermined price (usually issued together with corporate debt).

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

Price of a single share of a number of saleable stocks of a company.

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No definition available.

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Total of the deductions in a given period to allowances and reserves, the valuation and qualifying accounts that are either netted against the cost of an asset (in order to value it at its carrying value) or that reflect a liability established to represent expected future costs, representing receivables written off as uncollectible and portions of the reserves utilized, respectively.

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Value of outstanding derivative securities that permit the holder the right to purchase securities (usually equity) from the issuer at a specified price.

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Shareholders' Equity - Warrants Accounted for As Liabilities (Details) - USD ($)	1 Months Ended			3 Months Ended
	Aug. 31, 2016	Feb. 28, 2015	Feb. 28, 2011	Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2016	Aug. 12, 2016	Feb. 24, 2016	Dec. 31, 2015
Class of Stock [Line Items]
Price of common stock (in USD per share)				$ 3.18		$ 2.05
Warrant liability				$ 470,784	$ 1,492,400	$ 573,560			$ 1,958,775
Financing expense				$ 0	14,636
2016 Underwritten Public Offering \| Base Warrant \| Maxim Group, LLC
Class of Stock [Line Items]
Warrants to purchase common stock (in shares)	881,250
Exercise price of warrants (in USD per share)	$ 7.68
Life of warrants	5 years
Proceeds from issuance of warrants	$ 2,284,395
Warrant \| 2011 Common Stock Private Placement
Class of Stock [Line Items]
Warrants to purchase common stock (in shares)			70,467
Exercise price of warrants (in USD per share)		$ 57.60	$ 90.00
Life of warrants			5 years
Exercise price of warrants, decrease threshold (less than) (in USD per share)			$ 62.00
Remaining warrants to purchase common stock (in shares)		91,670						91,670
Warrant \| 2015 Underwritten Public Offering
Class of Stock [Line Items]
Warrants to purchase common stock (in shares)		466,369
Exercise price of warrants (in USD per share)		$ 26.40				$ 20.00
Life of warrants		5 years
Remaining warrants to purchase common stock (in shares)				466,369
Warrant liability				$ 53,633
Warrant \| 2015 Underwritten Public Offering \| Binomial Lattice Simulation
Class of Stock [Line Items]
Dividend yield rate		0.00%		0.00%
Expected volatility rate		97.00%		66.00%
Risk-free interest rate		1.53%		1.47%
Expected life of warrants		5 years		2 years 10 months 11 days
Valuation of warrants		$ 4,197,375
Other income				$ 23,319	$ 481,011
Warrant \| 2016 Underwritten Public Offering \| Maxim Group, LLC
Class of Stock [Line Items]
Warrants to purchase common stock (in shares)	993,115			993,115
Exercise price of warrants (in USD per share)				$ 0.42			$ 2.30
Warrant liability				$ 417,151
Income recorded in adjustment of warrants				$ 79,457