Stockholders' Equity, Options and Warrants

6 Months Ended

Jun. 30, 2018

Equity [Abstract]

Stockholders' Equity, Options and Warrants

(6) Stockholders’ Equity, Options, and Warrants

Employee Stock Purchase Plan

The Company has an employee stock purchase plan in which employees of the Company may participate to purchase shares of common stock at a discount. During the six months ended June 30, 2018 and 2017, the Company issued 51,439 and 34,064 shares of common stock, respectively, to employees under the employee stock purchase plan for proceeds of $3,304 and $2,637, respectively. As of June 30, 2018, 648,507 shares of common stock remain available for issuance under the employee stock purchase plan.

Stock-Based Compensation Plans

2015 Incentive Plan - In April 2015, the Company’s Board of Directors approved the International Isotopes Inc. 2015 Incentive Plan (2015 Plan) which was subsequently approved by the Company’s shareholders in July 2015. The 2015 Plan provides for the grant of incentive and non-qualified stock options, stock appreciation rights, restricted stock, restricted stock units, performance shares and units, and other stock or cash-based awards. The 2015 Plan amended and restated the Company’s Amended and Restated 2006 Equity Incentive Plan (2006 Plan). The 2015 Plan authorizes the issuance of up to 60,000,000 shares of common stock, plus 11,089,967 shares authorized, but not issued under the 2006 Plan. At June 30, 2018, there were 12,001,331 shares available for issuance under the 2015 Plan.

On July 24, 2018, at the Company’s 2018 annual meeting of shareholders, the Company’s shareholders approved an amendment and restatement of the 2015 Plan to increase the number of shares authorized for issuance by an additional 20,000,000 shares, which brought the total shares available for issuance under the 2015 Plan to 32,001,331 as of July 24, 2018.

Employee/Director Grants - The Company accounts for issuances of stock-based compensation to employees by recognizing, as compensation expense, the cost of employee services received in exchange for the equity awards. The compensation expense is based on the grant date fair value of the award. Stock option compensation expense is recognized over the period during which an employee is required to provide service in exchange for the award (the vesting period).

Non-Employee Grants - The Company accounts for its issuances of stock-based compensation to non-employees by measuring the value of any awards that were vested and non-forfeitable at their date of issuance based on the grant date fair value of the award. The non-vested portion of awards that are subject to the future performance of the counterparty are adjusted at each reporting date to their fair values based upon the then current market value of the Company’s stock and other assumptions that management believes are reasonable.

Option awards outstanding as of June 30, 2018, and changes during the six months ended June 30, 2018, were as follows:

Fixed Options	Shares	Weighted Average Exercise Price		Weighted Average Remaining Contractual Life	Average Intrinsic Value
Outstanding at December 31, 2017	32,250,000	$	0.06
Granted	1,500,000	$	0.08
Exercised	(3,000,000)	$	0.04		$	125,000
Forfeited	(400,000)	$	0.77
Outstanding at June 30, 2018	30,350,000	$	0.05	6.6	$	658,000
Exercisable at June 30, 2018	19,350,000	$	0.04	5.1	$	570,500

The intrinsic value of outstanding and exercisable shares is based on the closing price of the Company’s common stock of $0.07 per share on June 29, 2018, the last trading day of the quarter.

As of June 30, 2018, there was $195,382 of unrecognized compensation expense related to stock options that will be recognized over a weighted-average period of 2.11 years.

During the first quarter of 2018, 1,000,000 qualified stock options were exercised under a cashless exercise. The Company withheld 388,889 shares to satisfy the exercise price and issued 611,111 shares of common stock. The options exercised were granted under a qualified plan, and accordingly, there is no income tax effect in the accompanying condensed consolidated financial statements.

On April 20, 2018, 2,000,000 non-qualified stock options were exercised for $70,000. The options exercised were granted under the 2015 Plan, and accordingly, there is no income tax effect in the accompanying condensed consolidated financial statements.

On February 19, 2018, the Compensation Committee granted an aggregate of 1,000,000 qualified stock options to an employee. The stock options were granted with an exercise price of $0.08 per share. The options vest one fifth per year beginning one year from the grant date and expire on February 19, 2028. The options had a fair value of $59,130 as estimated on the date of issue using the Black-Scholes options pricing model with the following weighted-average assumptions: risk free interest rate of 2.63% to 2.81%, expected dividend yield rate of 0%, expected volatility of 62.18% to 69.94% and an expected life between 5.5 and 7.5 years.

On June 4, 2018, the Compensation Committee granted an aggregate of 500,000 qualified stock options to an employee. The stock options were granted with an exercise price of $0.09 per share. The options vest one fifth per year beginning one year from the grant date and expire on June 4, 2028. The options had a fair value of $20,635 as estimated on the date of issue using the Black-Scholes options pricing model with the following weighted-average assumptions: risk free interest rate of 2.78% to 2.89%, expected dividend yield rate of 0%, expected volatility of 63.23% to 69.04% and an expected life between 5.5 and 7.5 years.

Total stock-based compensation expense for the six months ended June 30, 2018 and 2017 was $125,133 and $16,819, respectively.

Pursuant to an employment agreement with its CEO, the Company awarded 350,000 fully vested shares of common stock in February 2018 under the 2015 Plan. The number of shares awarded was based on a $28,000 stock award using a price of $0.08 per share. The employment agreement provides that the number of shares issued will be based on the average closing price of common stock for the 20 trading days prior to issue date but not less than $0.05 per share. Compensation expense recorded pursuant to this stock grant was $16,786, which was determined by multiplying the number of shares awarded by the closing price of the common stock on February 28, 2018, which was $0.08 per share. The Company withheld 140,175 shares of common stock to satisfy the employee’s payroll tax obligations in connection with this issuance. The net shares issued on February 28, 2018 totaled 209,825 shares.

Warrants

Warrants outstanding at June 30, 2018, and changes during the six months ended June 30, 2018, were as follows:

Warrants
Outstanding at December 31, 2017	45,090,000
Issued	-
Exercised	-
Forfeited	-
Outstanding at June 30, 2018	45,090,000

Preferred Stock

At June 30, 2018, there were 850 shares of the Series B Preferred Stock outstanding with a mandatory redemption date of May 2022 at $1,000 per share or $850,000. The shares are also convertible into common stock at a conversion price of $2.00 per share. These Series B Preferred Stock carry no dividend preferences. Due to the mandatory redemption provision, the Series B Preferred Stock has been classified as a liability in the accompanying condensed consolidated balance sheets.

On February 17, 2017, the Company entered into subscription agreements with certain investors, including two of the Company’s directors, for the sale of (i) an aggregate of 3,433 shares of Series C Preferred Stock, and (ii) Class M warrants to purchase an aggregate of 17,165,000 shares of the Company’s common stock (the Class M Warrants), for gross proceeds of $3,433,000. The Series C Preferred Stock accrues dividends at a rate of 6% per annum, payable annually on February 17th of each year, commencing on February 17, 2018. The Series C Preferred Stock are convertible at the option of the investors at any time into shares of the Company's common stock at an initial conversion price equal to $0.10 per share, subject to adjustment. At any time after February 17, 2019, if the volume-weighted average closing price of the Company’s common stock over a period of 90 consecutive trading days is greater than $0.25 per share, the Company may redeem all or any portion of the outstanding Series C Preferred Stock at the original purchase price per share plus any accrued and unpaid dividends, payable in shares of common stock. All outstanding shares of Series C Preferred Stock will be redeemed by the Company on February 17, 2022 at the original purchase price per share, payable in cash or shares of common stock, at the option of the holder. Holders of Series C Preferred Stock do not have any voting rights, except as required by law and in connection with certain events as set forth in the Statement of Designation of the Series C Preferred Stock.

The Class M Warrants are immediately exercisable at an exercise price of $0.12 per share, subject to adjustment as set forth in the warrant, and have a term of five years.

The Company allocated the proceeds to the Series C Preferred Stock and Class M Warrants based on their relative fair value, which resulted in $2,895,379 being allocated to the Series C Preferred Stock and $537,621 being allocated to the Class M Warrants. The allocated Class M Warrant value was recorded as a discount to the Series C Preferred Stock and will be amortized to interest expense over the five-year life of the warrants.

The fair value of the Class M Warrants, determined using the Black-Scholes Option Pricing Model, was calculated using the following assumptions: risk-free interest rate of 1.92%, expected dividend yield of 0%, expected volatility of 66%, and an expected life of five years.

On March 24, 2017, the Company entered into an Amendment to its 8% Convertible Notes (the Amendment), pursuant to which the 8% Convertible Notes (the Notes) issued by the Company in July 2012 were amended to give noteholders certain additional rights. Pursuant to the Amendment, the Notes were modified to provide each holder the right, at the holder’s option and exercisable prior to May 12, 2017, to convert all or any portion of the principal amount of the Notes, plus accrued but unpaid interest, into shares of Series C Preferred Stock at a conversion price of $1,000 per share. Holders that elected to convert their Notes into Series C Preferred Stock received a Class N Warrant to purchase up to 3,750 shares of the Company’s common stock for each share of Series C Preferred Stock received upon conversion of the Notes, with each Warrant having a five-year term, a cashless exercise feature, and an exercise price of $0.10 per share of common stock. On May 12, 2017, the Company completed the retirement of $1,835,000 of the Notes in early cash redemptions, and $780,000 of the Notes were converted into an aggregate of 780 shares of Series C Preferred Stock and Class N Warrants to purchase an aggregate of 2,925,000 shares of the Company’s common stock.

The Class N Warrants are immediately exercisable at an exercise price of $0.10 per share, subject to adjustment as set forth in the warrant, and have a term of five years.

The Company allocated the proceeds to the Series C Preferred Stock and Class N Warrants based on their relative fair value, which resulted in $675,947 being allocated to the Series C Preferred Stock and $104,053 being allocated to the Class N Warrants. The allocated Class N Warrant value was recorded as a discount to the Series C Preferred Stock and will be amortized to interest expense over the five-year life of the warrants.

The fair value of the Class N Warrants, determined using the Black-Scholes Option Pricing Model, was calculated using the following assumptions: risk-free interest rate of 1.93%, expected dividend yield of 0%, expected volatility of 66%, and an expected life of five years.

In February 2018, the Company paid its first dividend on the Series C Preferred Stock. Dividends payable totaled $241,730. Some holders of the Series C Preferred Stock elected to settle their dividend payments with shares of the Company’s common stock in lieu of cash. The Company issued 2,288,646 shares of common stock in lieu of a dividend payment of $205,980. The remaining $35,750 of dividend payable was settled with cash.