XML 45 R34.htm IDEA: XBRL DOCUMENT
v3.22.1

Stock Options and Warrants (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2021
Stock Options and Warrants [Abstract] |
Schedule of fair values of stock options granted |
|  | 2021 |  | 2020
Risk-free interest rates |  | 0.35% - 0.83% |  | 0.22% - 1.61%
Expected life (in years) |  | 2.50 - 4.00 |  | 2.50 - 4.00
Expected volatility |  | 73.2% - 75.2% |  | 71.5% - 75.4%
Dividend yield |  | 0.00% |  | 0.00%
Weighted-average grant date fair value per share |  | $0.60 |  | $0.64
Schedule of company's stock options |
|  |  |  |  | Wtd. Avg. |
|  |  |  |  | Exercise |
|  | Options |  |  | Price |
Balance, January 1, 2020 |  |  | 1,369,649 |  |  | $ | 2.01 |
Granted during the year |  |  | 560,000 |  |  |  | 1.20 |
Exercised during the year |  |  | - |  |  |  | - |
Terminated/Expired during the year |  |  | (70,649 | ) |  |  | 7.48 |
Balance, December 31, 2020 |  |  | 1,859,000 |  |  | $ | 1.56 |
Granted during the year |  |  | 847,500 |  |  |  | 1.30 |
Exercised during the year |  |  | (110,000 | ) |  |  | 1.04 |
Terminated/Expired during the year |  |  | (128,000 | ) |  |  | 6.17 |
Balance, December 31, 2021 |  |  | 2,468,500 |  |  | $ | 1.25 |
Exercisable at December 31, 2021 |  |  | 1,873,496 |  |  | $ | 1.26 |
|  |  |  |  |  |  |  | Wtd. Avg. |
|  |  |  |  | Wtd. Avg. |  |  | Remaining |
|  |  |  |  | Exercise |  |  | Contractual |
|  | Warrants |  |  | Price |  |  | Life (years) |
Balance, January 1, 2020 |  |  | 2,182,902 |  |  | $ | 2.90 |  |  |  | 2.43 |
Granted during the year |  |  | - |  |  |  | - |  |  |  | - |
Terminated/Expired during the year |  |  | - |  |  |  | - |  |  |  | - |
Balance, December 31, 2020 |  |  | 2,182,902 |  |  | $ | 2.90 |  |  |  | 1.43 |
Granted during the year |  |  | - |  |  |  | - |  |  |  | - |
Terminated/Expired during the year |  |  | (675,691 | ) |  | $ | 4.47 |  |  |  | - |
Balance, December 31, 2021 |  |  | 1,507,211 |  |  | $ | 2.19 |  |  |  | 0.75 |
Exercisable at December 31, 2021 |  |  | 1,507,211 |  |  | $ | 2.19 |  |  |  | 0.75 |
Schedule of stock options |
Range of Exercise Price |  | Number Outstanding |  | Wtd. Avg, Life |  | Wtd. Avg. Exercise Price
$0.88 - $2.38 |  | 2,468,500 |  | 3.3 years |  | $1.25
Range of Exercise Price |  | Number Exercisable |  | Wtd. Avg, Life |  | Wtd. Avg. Exercise Price
$0.88 - $2.38 |  | 1,873,496 |  | 3.1 years |  | $1.26

X
- References No definition available. + Details
Name: | us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of input and valuation technique used to measure fair value and change in valuation approach and technique for each separate class of asset and liability measured on recurring and nonrecurring basis. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb) -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of option exercise prices, by grouped ranges, including the upper and lower limits of the price range, the number of shares under option, weighted average exercise price and remaining contractual option terms. + 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 -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (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 + Details
Name: | us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration