Quarterly report pursuant to Section 13 or 15(d)

Cover
- Document and Entity Information
Financial Statements
Notes to Financial Statements
Accounting Policies
- Significant Accounting Policies (Policies)
Notes Tables
Notes Details

Common Stock (Details Narrative)

v3.8.0.1

Common Stock (Details Narrative) - USD ($)			3 Months Ended
Common Stock (Details Narrative) - USD ($)	Jan. 05, 2018	Feb. 28, 2017	Mar. 31, 2018	Mar. 31, 2017	Dec. 31, 2017
Common stock, shares authorized			150,000,000		150,000,000
Common stock, par value			$ 0.0001		$ 0.0001
Common stock, shares issued			57,139,892		55,603,427
Common stock, shares outstanding			57,139,892		55,603,427
Issuance of common stock upon exercise of stock options, shares			36,465	160,549
Proceeds from exercise of stock options			$ 156,655	$ 80,248
Proceeds from sale of stock			11,856,655	$ 41,349,957
Stock issuance cost			$ 505,368
January 2018 Sales Agreement [Member] \| Institutional Investor [Member]
Aggregate common stock sold, shares			1,500,000
Proceeds from sale of stock			$ 11,200,000
Sales Agreement [Member]
Aggregate common stock sold, shares				1,413,633
Proceeds from sale of stock				$ 13,268,208
Securities Purchase Agreement [Member] \| Institutional and Accredited Investors [Member]
Aggregate common stock sold, shares		3,887,815
Proceeds from sale of stock		$ 27,214,705
Purchase price per share		$ 7.00
Stock issuance cost		$ 36,291
At the Market Offering [Member] \| Maximum [Member]
Number of common stock value sold	$ 50,000,000

- Definition

Amount of decrease in additional paid in capital (APIC) resulting from direct costs associated with issuing stock. Includes, but is not limited to, legal and accounting fees and direct costs associated with stock issues under a shelf registration.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Face amount or stated value per share of common stock.

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