The following table summarizes information about stock options that are vested or expected to vest at December 31, 2021: (Details) | 12 Months Ended |
Dec. 31, 2021USD ($)$ / sharesshares |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] | |
Share-based Payment Arrangement, Option, Exercise Price Range, Shares Outstanding | shares | 668,000 |
Share-based Payment Arrangement, Option, Exercise Price Range, Outstanding, Weighted Average Exercise Price | $ 0.55 |
Share-based Payment Arrangement, Option, Exercise Price Range, Outstanding, Weighted Average Remaining Contractual Term | 1 year 2 months 19 days |
Share-based Payment Arrangement, Option, Exercise Price Range, Shares Exercisable | shares | 668,000 |
Share-based Payment Arrangement, Option, Exercise Price Range, Exercisable, Weighted Average Exercise Price | $ 0.55 |
Share-based Payment Arrangement, Option, Exercise Price Range, Exercisable, Weighted Average Remaining Contractual Term | 1 year 2 months 19 days |
Minimum [Member] | |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] | |
Share-based Payment Arrangement, Option, Exercise Price Range, Lower Range Limit | $ 0.001 |
Maximum [Member] | |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] | |
Share-based Payment Arrangement, Option, Exercise Price Range, Upper Range Limit | $ 1.21 |
Exercise Price 0.001 [Member] | |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] | |
Share-based Payment Arrangement, Option, Exercise Price Range, Shares Outstanding | shares | 90,000 |
Share-based Payment Arrangement, Option, Exercise Price Range, Outstanding, Weighted Average Exercise Price | $ 0.001 |
Share-based Payment Arrangement, Option, Exercise Price Range, Outstanding, Weighted Average Remaining Contractual Term | 1 year 11 months 12 days |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value | $ | $ 0 |
Share-based Payment Arrangement, Option, Exercise Price Range, Shares Exercisable | shares | 90,000 |
Share-based Payment Arrangement, Option, Exercise Price Range, Exercisable, Weighted Average Exercise Price | $ 0.001 |
Share-based Payment Arrangement, Option, Exercise Price Range, Exercisable, Weighted Average Remaining Contractual Term | 1 year 11 months 12 days |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value | $ | $ 0 |
Exercise Price 0.05 [Member] | |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] | |
Share-based Payment Arrangement, Option, Exercise Price Range, Shares Outstanding | shares | 3,000 |
Share-based Payment Arrangement, Option, Exercise Price Range, Outstanding, Weighted Average Exercise Price | $ 0.05 |
Share-based Payment Arrangement, Option, Exercise Price Range, Outstanding, Weighted Average Remaining Contractual Term | 1 year 9 months |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value | $ | $ 0 |
Share-based Payment Arrangement, Option, Exercise Price Range, Shares Exercisable | shares | 3,000 |
Share-based Payment Arrangement, Option, Exercise Price Range, Exercisable, Weighted Average Exercise Price | $ 0.05 |
Share-based Payment Arrangement, Option, Exercise Price Range, Exercisable, Weighted Average Remaining Contractual Term | 1 year 9 months |
Exercise Price 0.15 [Member] | |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] | |
Share-based Payment Arrangement, Option, Exercise Price Range, Shares Outstanding | shares | 90,000 |
Share-based Payment Arrangement, Option, Exercise Price Range, Outstanding, Weighted Average Exercise Price | $ 0.15 |
Share-based Payment Arrangement, Option, Exercise Price Range, Outstanding, Weighted Average Remaining Contractual Term | 1 year 3 months 29 days |
Share-based Payment Arrangement, Option, Exercise Price Range, Shares Exercisable | shares | 90,000 |
Share-based Payment Arrangement, Option, Exercise Price Range, Exercisable, Weighted Average Exercise Price | $ 0.15 |
Share-based Payment Arrangement, Option, Exercise Price Range, Exercisable, Weighted Average Remaining Contractual Term | 1 year 3 months 29 days |
Exercise Price 0.18 [Member] | |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] | |
Share-based Payment Arrangement, Option, Exercise Price Range, Shares Outstanding | shares | 45,000 |
Share-based Payment Arrangement, Option, Exercise Price Range, Outstanding, Weighted Average Exercise Price | $ 0.18 |
Share-based Payment Arrangement, Option, Exercise Price Range, Outstanding, Weighted Average Remaining Contractual Term | 1 year 9 months 29 days |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value | $ | $ 0 |
Share-based Payment Arrangement, Option, Exercise Price Range, Shares Exercisable | shares | 45,000 |
Share-based Payment Arrangement, Option, Exercise Price Range, Exercisable, Weighted Average Exercise Price | $ 0.18 |
Share-based Payment Arrangement, Option, Exercise Price Range, Exercisable, Weighted Average Remaining Contractual Term | 1 year 9 months 29 days |
Exercise Price 0.19 [Member] | |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] | |
Share-based Payment Arrangement, Option, Exercise Price Range, Shares Outstanding | shares | 45,000 |
Share-based Payment Arrangement, Option, Exercise Price Range, Outstanding, Weighted Average Exercise Price | $ 0.19 |
Share-based Payment Arrangement, Option, Exercise Price Range, Outstanding, Weighted Average Remaining Contractual Term | 2 years 3 months 29 days |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value | $ | $ 0 |
Exercise Price Seven Five [Member] | |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] | |
Share-based Payment Arrangement, Option, Exercise Price Range, Shares Exercisable | shares | 45,000 |
Share-based Payment Arrangement, Option, Exercise Price Range, Exercisable, Weighted Average Exercise Price | $ 0.19 |
Share-based Payment Arrangement, Option, Exercise Price Range, Exercisable, Weighted Average Remaining Contractual Term | 2 years 3 months 29 days |
Exercise Price 0.20 [Member] | |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] | |
Share-based Payment Arrangement, Option, Exercise Price Range, Shares Outstanding | shares | 48,000 |
Share-based Payment Arrangement, Option, Exercise Price Range, Outstanding, Weighted Average Exercise Price | $ 0.20 |
Share-based Payment Arrangement, Option, Exercise Price Range, Outstanding, Weighted Average Remaining Contractual Term | 2 years 15 days |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value | $ | $ 0 |
Exercise Price Seven Six [Member] | |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] | |
Share-based Payment Arrangement, Option, Exercise Price Range, Shares Exercisable | shares | 48,000 |
Share-based Payment Arrangement, Option, Exercise Price Range, Exercisable, Weighted Average Exercise Price | $ 0.20 |
Share-based Payment Arrangement, Option, Exercise Price Range, Exercisable, Weighted Average Remaining Contractual Term | 2 years 15 days |
Exercise Price 0.31 [Member] | |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] | |
Share-based Payment Arrangement, Option, Exercise Price Range, Shares Outstanding | shares | 3,000 |
Share-based Payment Arrangement, Option, Exercise Price Range, Outstanding, Weighted Average Exercise Price | $ 0.31 |
Share-based Payment Arrangement, Option, Exercise Price Range, Outstanding, Weighted Average Remaining Contractual Term | 1 year |
Exercise Price Seven Seven [Member] | |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] | |
Share-based Payment Arrangement, Option, Exercise Price Range, Shares Exercisable | shares | 3,000 |
Share-based Payment Arrangement, Option, Exercise Price Range, Exercisable, Weighted Average Exercise Price | $ 0.31 |
Share-based Payment Arrangement, Option, Exercise Price Range, Exercisable, Weighted Average Remaining Contractual Term | 1 year |
Exercise Price 0.32 [Member] | |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] | |
Share-based Payment Arrangement, Option, Exercise Price Range, Shares Outstanding | shares | 3,000 |
Share-based Payment Arrangement, Option, Exercise Price Range, Outstanding, Weighted Average Exercise Price | $ 0.32 |
Share-based Payment Arrangement, Option, Exercise Price Range, Outstanding, Weighted Average Remaining Contractual Term | 1 year 2 months 30 days |
Exercise Price Seven Eight [Member] | |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] | |
Share-based Payment Arrangement, Option, Exercise Price Range, Shares Exercisable | shares | 3,000 |
Share-based Payment Arrangement, Option, Exercise Price Range, Exercisable, Weighted Average Exercise Price | $ 0.32 |
Share-based Payment Arrangement, Option, Exercise Price Range, Exercisable, Weighted Average Remaining Contractual Term | 1 year 2 months 30 days |
Exercise Price 0.73 [Member] | |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] | |
Share-based Payment Arrangement, Option, Exercise Price Range, Shares Outstanding | shares | 3,000 |
Share-based Payment Arrangement, Option, Exercise Price Range, Outstanding, Weighted Average Exercise Price | $ 0.73 |
Share-based Payment Arrangement, Option, Exercise Price Range, Outstanding, Weighted Average Remaining Contractual Term | 9 months 29 days |
Exercise Price Seven Nine [Member] | |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] | |
Share-based Payment Arrangement, Option, Exercise Price Range, Shares Exercisable | shares | 3,000 |
Share-based Payment Arrangement, Option, Exercise Price Range, Exercisable, Weighted Average Exercise Price | $ 0.73 |
Share-based Payment Arrangement, Option, Exercise Price Range, Exercisable, Weighted Average Remaining Contractual Term | 9 months 29 days |
Exercise Price 0.61 [Member] | |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] | |
Share-based Payment Arrangement, Option, Exercise Price Range, Shares Outstanding | shares | 45,000 |
Share-based Payment Arrangement, Option, Exercise Price Range, Outstanding, Weighted Average Exercise Price | $ 0.61 |
Share-based Payment Arrangement, Option, Exercise Price Range, Outstanding, Weighted Average Remaining Contractual Term | 9 months |
Exercise Price Seven Ten [Member] | |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] | |
Share-based Payment Arrangement, Option, Exercise Price Range, Shares Exercisable | shares | 45,000 |
Share-based Payment Arrangement, Option, Exercise Price Range, Exercisable, Weighted Average Exercise Price | $ 0.61 |
Share-based Payment Arrangement, Option, Exercise Price Range, Exercisable, Weighted Average Remaining Contractual Term | 9 months |
Exercise Price 0.95 [Member] | |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] | |
Share-based Payment Arrangement, Option, Exercise Price Range, Shares Outstanding | shares | 200,000 |
Share-based Payment Arrangement, Option, Exercise Price Range, Outstanding, Weighted Average Exercise Price | $ 0.95 |
Share-based Payment Arrangement, Option, Exercise Price Range, Outstanding, Weighted Average Remaining Contractual Term | 8 months 12 days |
Exercise Price Seven Eleven [Member] | |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] | |
Share-based Payment Arrangement, Option, Exercise Price Range, Shares Exercisable | shares | 200,000 |
Share-based Payment Arrangement, Option, Exercise Price Range, Exercisable, Weighted Average Exercise Price | $ 0.95 |
Share-based Payment Arrangement, Option, Exercise Price Range, Exercisable, Weighted Average Remaining Contractual Term | 8 months 12 days |
Exercise Price 1.09 [Member] | |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] | |
Share-based Payment Arrangement, Option, Exercise Price Range, Shares Outstanding | shares | 3,000 |
Share-based Payment Arrangement, Option, Exercise Price Range, Outstanding, Weighted Average Exercise Price | $ 1.09 |
Share-based Payment Arrangement, Option, Exercise Price Range, Outstanding, Weighted Average Remaining Contractual Term | 6 months |
Exercise Price Seven Twelve [Member] | |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] | |
Share-based Payment Arrangement, Option, Exercise Price Range, Shares Exercisable | shares | 3,000 |
Share-based Payment Arrangement, Option, Exercise Price Range, Exercisable, Weighted Average Exercise Price | $ 1.09 |
Share-based Payment Arrangement, Option, Exercise Price Range, Exercisable, Weighted Average Remaining Contractual Term | 6 months |
Exercise Price 1.10 [Member] | |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] | |
Share-based Payment Arrangement, Option, Exercise Price Range, Shares Outstanding | shares | 45,000 |
Share-based Payment Arrangement, Option, Exercise Price Range, Outstanding, Weighted Average Exercise Price | $ 1.10 |
Share-based Payment Arrangement, Option, Exercise Price Range, Outstanding, Weighted Average Remaining Contractual Term | 6 months 29 days |
Exercise Price Seven Thirteen [Member] | |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] | |
Share-based Payment Arrangement, Option, Exercise Price Range, Shares Exercisable | shares | 45,000 |
Share-based Payment Arrangement, Option, Exercise Price Range, Exercisable, Weighted Average Exercise Price | $ 1.10 |
Share-based Payment Arrangement, Option, Exercise Price Range, Exercisable, Weighted Average Remaining Contractual Term | 6 months 29 days |
Exercise Price 1.21 [Member] | |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] | |
Share-based Payment Arrangement, Option, Exercise Price Range, Shares Outstanding | shares | 45,000 |
Share-based Payment Arrangement, Option, Exercise Price Range, Outstanding, Weighted Average Exercise Price | $ 1.21 |
Share-based Payment Arrangement, Option, Exercise Price Range, Outstanding, Weighted Average Remaining Contractual Term | 3 months 29 days |
Exercise Price Seven Fourteen [Member] | |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] | |
Share-based Payment Arrangement, Option, Exercise Price Range, Shares Exercisable | shares | 45,000 |
Share-based Payment Arrangement, Option, Exercise Price Range, Exercisable, Weighted Average Exercise Price | $ 1.21 |
Share-based Payment Arrangement, Option, Exercise Price Range, Exercisable, Weighted Average Remaining Contractual Term | 3 months 29 days |