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Equity | 6 Months Ended
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Jun. 30, 2020
Equity [Abstract] |
EQUITY | NOTE 8 – EQUITY Common Shares Sold for Cash On April 1, 2020, the Company entered into a Subscription Agreement with WLM, an entity owned by Wenzhao Lu, Chairman of the Board of Directors of the Company, pursuant to which WLM purchased 645,161 shares of the Company's common stock at a price per share of $1.55 for an aggregate purchase price of $1,000,000. The closing occurred on April 1, 2020. On December 13, 2019, the Company entered into an Open Market Sale AgreementSM (the "Sales Agreement") with Jefferies LLC, as sales agent ("Jefferies"), pursuant to which the Company may offer and sell, from time to time, through Jefferies, shares of its common stock, par value $0.0001 per share, having an aggregate offering price of up to $20.0 million. On April 6, 2020, the date on which the Company filed its Annual Report on Form 10-K for the fiscal year ended December 31, 2019, the Company's registration statement became subject to the offering limits set forth in General Instruction I.B.6 of Form S-3. During the six months ended June 30, 2020, Jefferies sold an aggregate of 2,130,347 shares of common stock at an average price of $1.74 per share to investors. The Company recorded net proceeds of $3,499,118, net of commission and other offering costs of $204,772. Common Shares Issued for Services During the six months ended June 30, 2020, the Company issued a total of 602,577 shares of its common stock for services rendered and to be rendered. The shares of common stock were issued under the 2019 Incentive Stock Plan. These shares were valued at $612,030, the fair market values on the grant dates using the reported closing share prices on the dates of grant and the Company recorded stock-based compensation expense of $594,530 for the six months ended June 30, 2020 and recorded prepaid expense of $17,500 as of June 30, 2020 which will be amortized over the rest of corresponding service periods. Options The following table summarizes the shares of the Company's common stock issuable upon exercise of options outstanding at June 30, 2020:
Options Outstanding |  |  | Options Exercisable |
Range of Exercise Price |  |  | Number Outstanding at June 30, 2020 |  |  | Weighted Average Remaining Contractual Life (Years) |  |  | Weighted Average Exercise Price |  |  | Number Exercisable at June 30, 2020 |  |  | Weighted Average Exercise Price |
$ | 0.50 |  |  |  | 2,000,000 |  |  |  | 6.61 |  |  | $ | 0.50 |  |  |  | 2,000,000 |  |  | $ | 0.50 |
| 1.00 – 1.93 |  |  |  | 2,210,000 |  |  |  | 6.28 |  |  |  | 1.46 |  |  |  | 1,253,333 |  |  |  | 1.37 |
| 2.00 – 2.80 |  |  |  | 2,740,000 |  |  |  | 3.27 |  |  |  | 2.17 |  |  |  | 2,740,000 |  |  |  | 2.17 |
| 4.76 |  |  |  | 30,000 |  |  |  | 3.76 |  |  |  | 4.76 |  |  |  | 30,000 |  |  |  | 4.76 |
$ | 0.50 – 4.76 |  |  |  | 6,980,000 |  |  |  | 5.18 |  |  | $ | 1.48 |  |  |  | 6,023,333 |  |  | $ | 1.46 |
Stock option activities for the six months ended June 30, 2020 were as follows:
|  | Number of Options |  |  | Weighted Average Exercise Price |
Outstanding at January 1, 2020 |  |  | 5,260,000 |  |  | $ | 1.45 |
Granted |  |  | 1,720,000 |  |  |  | 1.56 |
Terminated / Exercised |  |  | - |  |  |  | - |
Outstanding at June 30, 2020 |  |  | 6,980,000 |  |  | $ | 1.48 |
Options exercisable at June 30, 2020 |  |  | 6,023,333 |  |  | $ | 1.46 |
Options expected to vest |  |  | 956,667 |  |  | $ | 1.59 |
The aggregate intrinsic values of stock options outstanding and stock options exercisable at June 30, 2020 was $3,766,000 and $3,467,267, respectively. The stock options granted during the six months ended June 30, 2020 were granted under the 2019 Stock Incentive Plan. The fair values of options granted during the six months ended June 30, 2020 were estimated at the date of grant using the Black-Scholes option-pricing model with the following assumptions: volatility of 137.42% - 139.58%, risk-free rate of 0.25% - 1.67%, annual dividend yield of 0% and expected life of 3.00 – 10.00 years. The aggregate fair value of the options granted during the six months ended June 30, 2020 was $2,644,161. Stock-based compensation expense associated with stock options granted amounted to $726,600 and $1,524,139 for the three months ended June 30, 2020 and 2019, respectively. Stock-based compensation expense associated with stock options granted amounted to $1,511,950 and $3,796,886 for the six months ended June 30, 2020 and 2019, respectively. A summary of the status of the Company's nonvested stock options granted as of June 30, 2020 and changes during the six months ended June 30, 2020 is presented below:
|  | Number of Options |  |  | Weighted Average Exercise Price |
Nonvested at January 1, 2020 |  |  | 264,723 |  |  | $ | 2.00 |
Granted |  |  | 1,720,000 |  |  |  | 1.56 |
Vested |  |  | (1,028,056 | ) |  |  | (1.65 | )
Nonvested at June 30, 2020 |  |  | 956,667 |  |  | $ | 1.59

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- Definition The entire disclosure for shareholders' equity comprised of portions attributable to the parent entity and noncontrolling interest, including other comprehensive income. Includes, but is not limited to, balances of common stock, preferred stock, additional paid-in capital, other capital and retained earnings, accumulated balance for each classification of other comprehensive income and amount of comprehensive income. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(e)(1)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -URI http://asc.fasb.org/topic&trid=2208762 + Details
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