Equity Offering Agreements	3 Months Ended
Dec. 31, 2019
Equity [Abstract]
Equity Offering Agreements	Note 4 Equity Offering Agreements Controlled Equity Offering Sales Agreement On July 6, 2018, the Company entered into a Controlled Equity Offering Sales Agreement (the “Sales Agreement”) with Cantor Fitzgerald & Co., as agent (“Cantor Fitzgerald”), pursuant to which the Company may offer and sell shares of common stock, for aggregate gross sale proceeds of up to $50,000,000 from time to time through Cantor Fitzgerald (the “Offering”). Upon delivery of a placement notice based on the Company’s instructions and subject to the terms and conditions of the Sales Agreement, Cantor Fitzgerald may sell the Shares by methods deemed to be an “at the market offering” offering, in negotiated transactions at market prices prevailing at the time of sale or at prices related to such prevailing market prices, or by any other method permitted by law, including negotiated transactions, subject to the prior written consent of the Company. The Company is not obligated to make any sales of Shares under the Sales Agreement. The Company or Cantor Fitzgerald may suspend or terminate the offering of Shares upon notice to the other party, subject to certain conditions. Cantor Fitzgerald will act as sales agent on a commercially reasonable efforts basis consistent with its normal trading and sales practices and applicable state and federal law, rules and regulations and the rules of Nasdaq. The Company has agreed to pay Cantor Fitzgerald commissions for its services of acting as agent of up to 3.0% of the gross proceeds from the sale of the Shares pursuant to the Sales Agreement. The Company also agreed to provide Cantor Fitzgerald with customary indemnification and contribution rights. As of December 31, 2019, no shares had been sold pursuant to the Offering. 2015 Purchase Agreement On October 21, 2015, the Company entered into a $50,000,000 purchase agreement (the “2015 Purchase Agreement”) with Lincoln Park Capital Fund, LLC (“Lincoln Park”), pursuant to which the Company could sell and issue to Lincoln Park, and Lincoln Park was obligated to purchase, up to $50,000,000 in value of its shares of common stock from time to time over a 36-month period. During the three months ended December 31, 2019, the Company did not issue any shares to Lincoln Park under the 2015 Purchase Agreement. During the three months ended December 31, 2018, the company issued to Lincoln Park an aggregate of 953,584 shares of common stock under the 2015 Purchase Agreement, including 950,000 shares of common stock for an aggregate purchase price of $1,994,700 and 3,584 commitment shares. At December 31, 2019 and September 30, 2019, all remaining purchase amounts available for issuance under the 2015 Purchase Agreement had been utilized and the 2015 Purchase Agreement has expired pursuant to its terms. As such, no further shares will be sold under the 2015 Purchase Agreement. 2019 Purchase Agreement On June 7, 2019, the Company entered into a $50,000,000 purchase agreement (the “2019 Purchase Agreement”) with Lincoln Park, pursuant to which the Company may sell and issue to Lincoln Park, and Lincoln Park is obligated to purchase, up to $50,000,000 in value of its shares of common stock from time to time from June 12, 2019, the date a prospectus supplement under which shares of common stock issuable under the 2019 Purchase Agreement was filed with the SEC, until July 1, 2022, which is the first day of the next month following the 36-month anniversary of June 12, 2019. The Company may direct Lincoln Park, at its sole discretion, and subject to certain conditions, to purchase up to 200,000 shares of common stock on any business day (a “Regular Purchase”). The amount of a Regular Purchase may be increased under certain circumstances up to 250,000 shares, provided that Lincoln Park’s committed obligation for Regular Purchases on any business day shall not exceed $2,000,000. In the event we purchase the full amount allowed for a Regular Purchase on any given business day, we may also direct Lincoln Park to purchase additional amounts as accelerated and additional accelerated purchases. The purchase price of shares of common stock related to the future funding will be based on the then prevailing market prices of such shares at the time of sales as described in the 2019 Purchase Agreement. The 2019 Purchase Agreement limits the Company’s sale of shares of Common Stock to Lincoln Park to 10,076,680 shares of Common Stock, representing 19.99% of the shares of the Common Stock outstanding on the date of the 2019 Purchase Agreement unless (i) shareholder approval is obtained to issue more than such amount or (ii) the average price of all applicable sales of Common Stock to Lincoln Park under the 2019 Purchase Agreement equals or exceeds the lower of (A) the closing price of the Common Stock on the Nasdaq Capital Market immediately preceding the Execution Date or (B) the average of the closing prices of the Common Stock on the Nasdaq Capital Market for the five Business Days immediately preceding the Execution Date, and it also limits the Company’s sale of shares to Lincoln Park to the extent it would cause Lincoln Park to beneficially own more than 4.99% of the Company’s outstanding shares of Common Stock at any given time. In consideration for entering into the 2019 Purchase Agreement, the Company issued to Lincoln Park 324,383 shares of common stock as a commitment fee and agreed to issue up to 162,191 shares pro rata, when and if, Lincoln Park purchases at the Company’s discretion the $50,000,000 aggregate commitment. During the three months ended December 31, 2019, the Company issued to Lincoln Park an aggregate of 4,429,835 shares of common stock under the 2019 Purchase Agreement, including 4,394,160 shares of common stock for an aggregate purchase price of $10,997,952 and 35,675 commitment shares. At December 31, 2019, an amount of $34,367,543 remained available under the 2019 Purchase Agreement.

Equity Offering Agreements

3 Months Ended

Dec. 31, 2019

Note 4 Equity Offering Agreements

Controlled Equity Offering Sales Agreement

On July 6, 2018, the Company entered into a Controlled Equity Offering Sales Agreement (the “Sales Agreement”) with Cantor Fitzgerald & Co., as agent (“Cantor Fitzgerald”), pursuant to which the Company may offer and sell shares of common stock, for aggregate gross sale proceeds of up to $50,000,000 from time to time through Cantor Fitzgerald (the “Offering”).

Upon delivery of a placement notice based on the Company’s instructions and subject to the terms and conditions of the Sales Agreement, Cantor Fitzgerald may sell the Shares by methods deemed to be an “at the market offering” offering, in negotiated transactions at market prices prevailing at the time of sale or at prices related to such prevailing market prices, or by any other method permitted by law, including negotiated transactions, subject to the prior written consent of the Company. The Company is not obligated to make any sales of Shares under the Sales Agreement. The Company or Cantor Fitzgerald may suspend or terminate the offering of Shares upon notice to the other party, subject to certain conditions. Cantor Fitzgerald will act as sales agent on a commercially reasonable efforts basis consistent with its normal trading and sales practices and applicable state and federal law, rules and regulations and the rules of Nasdaq.

The Company has agreed to pay Cantor Fitzgerald commissions for its services of acting as agent of up to 3.0% of the gross proceeds from the sale of the Shares pursuant to the Sales Agreement. The Company also agreed to provide Cantor Fitzgerald with customary indemnification and contribution rights. As of December 31, 2019, no shares had been sold pursuant to the Offering.

2015 Purchase Agreement

On October 21, 2015, the Company entered into a $50,000,000 purchase agreement (the “2015 Purchase Agreement”) with Lincoln Park Capital Fund, LLC (“Lincoln Park”), pursuant to which the Company could sell and issue to Lincoln Park, and Lincoln Park was obligated to purchase, up to $50,000,000 in value of its shares of common stock from time to time over a 36-month period.

During the three months ended December 31, 2019, the Company did not issue any shares to Lincoln Park under the 2015 Purchase Agreement. During the three months ended December 31, 2018, the company issued to Lincoln Park an aggregate of 953,584 shares of common stock under the 2015 Purchase Agreement, including 950,000 shares of common stock for an aggregate purchase price of $1,994,700 and 3,584 commitment shares. At December 31, 2019 and September 30, 2019, all remaining purchase amounts available for issuance under the 2015 Purchase Agreement had been utilized and the 2015 Purchase Agreement has expired pursuant to its terms. As such, no further shares will be sold under the 2015 Purchase Agreement.

2019 Purchase Agreement

On June 7, 2019, the Company entered into a $50,000,000 purchase agreement (the “2019 Purchase Agreement”) with Lincoln Park, pursuant to which the Company may sell and issue to Lincoln Park, and Lincoln Park is obligated to purchase, up to $50,000,000 in value of its shares of common stock from time to time from June 12, 2019, the date a prospectus supplement under which shares of common stock issuable under the 2019 Purchase Agreement was filed with the SEC, until July 1, 2022, which is the first day of the next month following the 36-month anniversary of June 12, 2019.

The Company may direct Lincoln Park, at its sole discretion, and subject to certain conditions, to purchase up to 200,000 shares of common stock on any business day (a “Regular Purchase”). The amount of a Regular Purchase may be increased under certain circumstances up to 250,000 shares, provided that Lincoln Park’s committed obligation for Regular Purchases on any business day shall not exceed $2,000,000. In the event we purchase the full amount allowed for a Regular Purchase on any given business day, we may also direct Lincoln Park to purchase additional amounts as accelerated and additional accelerated purchases. The purchase price of shares of common stock related to the future funding will be based on the then prevailing market prices of such shares at the time of sales as described in the 2019 Purchase Agreement.

The 2019 Purchase Agreement limits the Company’s sale of shares of Common Stock to Lincoln Park to 10,076,680 shares of Common Stock, representing 19.99% of the shares of the Common Stock outstanding on the date of the 2019 Purchase Agreement unless (i) shareholder approval is obtained to issue more than such amount or (ii) the average price of all applicable sales of Common Stock to Lincoln Park under the 2019 Purchase Agreement equals or exceeds the lower of (A) the closing price of the Common Stock on the Nasdaq Capital Market immediately preceding the Execution Date or (B) the average of the closing prices of the Common Stock on the Nasdaq Capital Market for the five Business Days immediately preceding the Execution Date, and it also limits the Company’s sale of shares to Lincoln Park to the extent it would cause Lincoln Park to beneficially own more than 4.99% of the Company’s outstanding shares of Common Stock at any given time.

In consideration for entering into the 2019 Purchase Agreement, the Company issued to Lincoln Park 324,383 shares of common stock as a commitment fee and agreed to issue up to 162,191 shares pro rata, when and if, Lincoln Park purchases at the Company’s discretion the $50,000,000 aggregate commitment.

During the three months ended December 31, 2019, the Company issued to Lincoln Park an aggregate of 4,429,835 shares of common stock under the 2019 Purchase Agreement, including 4,394,160 shares of common stock for an aggregate purchase price of $10,997,952 and 35,675 commitment shares. At December 31, 2019, an amount of $34,367,543 remained available under the 2019 Purchase Agreement.