Convertible Series D Preferred Stock
From December 2005 to July 2006, the Company issued 3,000,000 shares of convertible Series D preferred stock (“Series D”) at $3.00 per share for gross proceeds of $9,000.
Convertible Series E Preferred Stock
In November 2006, the Company offered up to $5,000 principal amount of 8% convertible notes. Each note was sold with an attached warrant to purchase 110,000 shares of common stock at an exercise price of $4.55 per share. Each warrant was exercisable immediately upon its issuance date and had a seven-year term. The amount allocated to the fair value of the warrants was insignificant. In the period from November 2006 to October 2007, a total amount of $4,985 was issued to various investors with a convertible Series E preferred stock (“Series E”) conversion price of $3.50 per share. On June 9, 2008, outstanding principal and interest in the amount of $4,985 and $475 were converted to 1,591,994 shares of Series E, respectively.
Convertible Series F Preferred Stock
In June 2008, the Company issued 953,000 shares of convertible Series F preferred stock (“Series F”) at $5.00 per share for gross proceeds of $4,765.
Convertible Series H Preferred Stock
In February 2009, the Company issued 536,000 units at $5.00 per unit for gross proceeds of $2,680. Each unit consisted of one share of Series H preferred stock (“Series H”) and one warrant which entitled the holder to acquire a half share of the Company’s common stock at an exercise price of $5.00 per share. In May 2010, 236,000 warrants were exercised by investors and 118,000 shares of common stock were purchased at a price of $5.00 per share. The remaining warrants expired as of December 31, 2010.
Convertible Series I Preferred Stock
From May 2009 to February 2010, the Company issued 2,757,442 shares of convertible Series I preferred stock (“Series I”) at $6.00 per share for gross proceeds of approximately $16,545.
Convertible Series J Preferred Stock
From 2010 through 2012, the Company issued 1,281,600 shares of convertible Series J preferred stock (“Series J”) at $10.00 per share for gross proceeds of $12,816.
Convertible Series K Preferred Stock
From April 1, 2012 to December 31, 2017, the Company sold 1,866,853 shares of Series K convertible preferred (“Series K”) stock resulting in gross proceeds of approximately $22,402.
The significant terms of the Convertible Preferred Stock are as follows:
Dividends
Each share is entitled to dividends on a pari passu basis with Series A, Series B, Series C, Series D, Series E, Series F, Series I, Series J and Series K as and when declared by the Board. Series H dividends are payable in cash or in kind at the election of the Company at such time as dividends may lawfully be declared and paid thereon by the Company, in an amount equal to 9% per annum There have been no dividends declared or paid to date. As of December 31, 2022 and 2021, earned but undeclared and unpaid Series H dividends were $3,423 and $3,184, respectively. In addition, if the Company closes a firmly underwritten public offering of common stock, the earned but undeclared and unpaid dividends as of those dates will be converted automatically into 270,537 and 251,627 shares of the Company’s common stock, respectively. Subsequent to December 31, 2022, the Company closed its underwritten public offering of its common stock pursuant to an effective registration statement and all of the earned but undeclared and unpaid Series H dividends due at the closing was converted into 272,101 shares of the Company’s common stock (see Note 15).
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