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Share-Based Compensation (Tables)

9 Months Ended

Sep. 30, 2021

Share-based Payment Arrangement [Abstract]

Quantitative information regarding the Stock Options and Stock Grants:

Quantitative information regarding the Stock Options and Stock Grants:

		Nine Months Ended September 30,
		2021				2020
Stock options granted			10,000				535,000
Stock options exercised			367,000				78,277
Proceeds to Nanophase from exercises		$	152			$	23
Stock options forfeited			34,500				202,134
Stock option expirations			220,800				460,640
Stock options outstanding			2,833,650				3,507,073
Weighted average exercise price per share		$	0.55			$	0.58

The following table illustrates the various assumptions used to calculate the Black-Scholes option pricing model for stock options granted during the three-month and nine-month periods presented:

The following table illustrates the various assumptions used to calculate the Black-Scholes option pricing model for stock options granted during the three-month and nine-month periods presented:

For the three months ended		September 30, 2021				September 30, 2020
Weighted-average risk-free interest rates			1.0	%			n/a
Dividend yield			0.00	%			n/a
Weighted-average expected life of the option			7 years				n/a
Weighted-average expected stock price volatility			65	%			n/a
Weighted-average fair value of the options granted		$	2.45				n/a

For the nine months ended		September 30, 2021				September 30, 2020
Weighted-average risk-free interest rates			1.0	%			0.5	%
Dividend yield			0.00	%			0.00	%
Weighted-average expected life of the option			7 years				7 years
Weighted-average expected stock price volatility			65	%			94	%
Weighted-average fair value of the options granted		$	2.45			$	0.36

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Tabular disclosure of share-based payment arrangement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5047-113901

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-Publisher FASB
-Name Accounting Standards Codification
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Tabular disclosure of the significant assumptions used during the year to estimate the fair value of employee stock purchase plans, including, but not limited to: (a) expected term, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (f)(2)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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