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)

v3.19.2

Common Stock (Details Narrative) - USD ($)			3 Months Ended			6 Months Ended
Common Stock (Details Narrative) - USD ($)	Jan. 30, 2019	Jan. 05, 2018	Jun. 30, 2019	Jun. 30, 2018	Mar. 31, 2018	Jun. 30, 2019	Jun. 30, 2018
Aggregate common stock sold, shares
Gross proceeds from sale of stock						$ 40,596,961	$ 12,003,266
Stock issuance cost				$ 52,201
Issuance of common stock upon exercise of stock options, shares						78,229
Warrants [Member]
Aggregate common stock sold, shares			1,119,868			172,414
Issuance of common stock upon exercise of stock options, shares						1,283,500
Warrants to purchase common stock			200,000			200,000
Stock Option [Member]
Issuance of common stock upon exercise of stock options, shares			16,458	52,604		78,229	89,069
Proceeds from exercise of stock options			$ 102,708	$ 146,612		$ 306,711	$ 303,266
Public Offering [Member]
Number of common stock value sold	$ 6,198,500
Gross proceeds from sale of stock	$ 40,300,000
Purchase price per share	$ 6.50
Stock issuance cost	$ 2,600,000
Public Offering [Member] \| Underwriters [Member]
Number of common stock value sold	$ 808,500
January 2018 Sales Agreement [Member] \| Institutional Investor [Member]
Aggregate common stock sold, shares					1,500,000
Gross proceeds from sale of stock					$ 11,200,000
January 2018 Sales Agreement [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.

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