Capital Stock

12 Months Ended

Dec. 31, 2018

Stockholders' Equity Note Disclosure [Text Block]

7. Capital Stock

On May 24, 2016, the Company entered into an At The Market Offering Agreement (the “ATM Agreement”) with H.C. Wainwright & Co., LLC (the “Sales Agent”), to create an at the market equity program under which the Company can from time to time offer and sell up to 1,319,289 shares of its Common Stock through the Sales Agent. On February 21, 2017, the Company authorized the Sales Agent to restart sales under the ATM Agreement for maximum aggregate gross proceeds of up to $3,285,798. During the first quarter of 2017, the Company sold 642,150 shares of Common Stock under this agreement for total net proceeds to the Company from this offering, after deducting the placement agent fees and offering expenses, of approximately $1.8 million. No further shares of Common Stock have been sold pursuant to the ATM Agreement. On June 14, 2017, the Company closed on the sale of its equity securities in connection with a public offering, described below, and as a result, the Company is restricted from issuing any shares pursuant to the ATM Agreement for a period of twenty-four months following the closing date of the offering. However, this restriction is suspended for any sale of shares of Common Stock under the ATM Agreement that is above $3.00 per share.

On June 14, 2017, the Company completed a public offering of 5,336,667 shares of Common Stock and 1,995 shares of Series B Preferred Stock (convertible into 1,330,000 shares of Common Stock), along with warrants to purchase 6,666,667 shares of Common Stock. The total net proceeds to the Company from the offering, after deducting the placement agent fees and offering expenses, were approximately $8.8 million. Additionally, the investors received, for each share of Common Stock, or for each share of Common Stock issuable upon conversion of a share of Series B Preferred Stock purchased in the public offering, warrants to purchase one share of Common Stock at an exercise price of $1.50 per share, which in the aggregate represented warrants to purchase 6,666,667 shares of Common Stock. The warrants issued to investors became initially exercisable immediately upon issuance and terminate on June 14, 2022, five years following the date of issuance. Concurrently with the closing of the public offering, a holder elected to convert 675 shares of Series B Preferred Stock into 450,000 shares of Common Stock. Subsequently, on June 15, 2017 and April 9, 2018, holders converted 1,320 shares of Series B Preferred stock into 880,000 shares of Common Stock.

On April 17, 2018, the Company completed a public offering of 14,730,000 shares of Common Stock and 6,536.4 shares of Series C Preferred Stock (convertible into 20,426,250 shares of Common Stock), along with warrants to purchase 35,156,250 shares of Common Stock. The total net proceeds to the Company from the offering, after deducting the placement agent fees and offering expenses, were approximately $10.1 million. Additionally, the investors received, for each share of Common Stock, or for each share of Common Stock issuable upon conversion of a share of Series C Preferred Stock purchased in the public offering, warrants to purchase one share of Common Stock at an exercise price of $0.32 per share, which in the aggregate represented warrants to purchase 35,156,250 shares of Common Stock. The warrants issued to investors became initially exercisable immediately upon issuance and terminate on April 17, 2023, five years following the date of issuance. Concurrently with the closing of the public offering, a holder elected to convert 1,400 shares of Series C Preferred Stock into 4,375,000 shares of Common Stock. Subsequently, on April 18, 2018, April 23, 2018, and April 30, 2018, holders converted 1,044.4 shares of Series C Preferred stock into 3,263,750 shares of Common Stock.

At December 31, 2018, the Company had 120,000,000 authorized shares of Common Stock, $0.01 par value, of which 43,793,878 shares were outstanding. At December 31, 2018, the Company had 9,994,184 authorized shares of Preferred Stock, $0.01 par value, of which 3,750 shares were designated as Series A Preferred Stock and 0 shares were issued and outstanding, 10,000 shares were designated as Series B Preferred Stock and 0 shares were issued and outstanding, and 10,000 shares were designated as Series C Preferred Stock and 4,092 shares were issued and outstanding. At December 31, 2018, there were 0 shares of Common Stock underlying the outstanding shares of Series A Preferred Stock, 0 shares of Common Stock underlying the outstanding shares of Series B Preferred Stock, and 12,787,500 shares of Common Stock underlying the outstanding shares of Series C Preferred Stock.