STOCK OPTIONS AND WARRANTS (Tables)
|
12 Months Ended |
Dec. 31, 2020 |
STOCK OPTIONS AND WARRANTS |
|
Scheule of Black-Scholes option pricing model |
|
| 2020
|
|
| 2019
|
|
Risk-free interest rate
|
| | 0.27%-0.29%
|
|
| | 2.36% - 2.58%
|
|
Expected term (years)
|
| | 3-5
|
|
| | 1.00 - 5.00
|
|
Expected volatility
|
| | 112.97%-137.27%
|
|
| | 99.85% - 143.11%
|
|
Expected dividends
|
|
| 0.00 |
|
|
| 0.00 |
|
|
Schedule of stock options |
|
| Shares
|
|
| Weighted- Average Exercise Price
|
|
| Weighted- Average Remaining Contractual Term
|
|
| Aggregate Intrinsic Value
|
|
Outstanding at January 1, 2019
|
|
| 791,850 |
|
|
| 8.09 |
|
|
| 7.7 |
|
|
| 1,188,065 |
|
Grants
|
|
| 53,280 |
|
|
| 6.52 |
|
|
| 2.5 |
|
|
| - |
|
Exercised
|
|
| - |
|
|
| - |
|
|
| - |
|
|
| - |
|
Expired
|
|
| (1,500 | ) |
|
| 20.00 |
|
|
| - |
|
|
| - |
|
Forfeited
|
|
| (20,833 | ) |
|
| 5.75 |
|
|
| - |
|
|
| - |
|
Outstanding at December 31, 2019
|
|
| 822,797 |
|
| $ | 8.03 |
|
|
| 6.5 |
|
| $ | 244,603 |
|
Grants
|
|
| 15,834 |
|
|
| 2.53 |
|
|
| 3.5 |
|
|
| - |
|
Exercised
|
|
| - |
|
|
| - |
|
|
| - |
|
|
| - |
|
Expired
|
|
| (10,000 | ) |
|
| 15.00 |
|
|
| - |
|
|
| - |
|
Forfeited
|
|
| - |
|
|
| - |
|
|
| - |
|
|
| - |
|
Outstanding at December 31, 2020
|
|
| 828,631 |
|
|
| 7.84 |
|
|
| 5.8 |
|
|
| - |
|
Exercisable at December 31, 2020
|
|
| 819,742 |
|
| $ | 7.90 |
|
|
| 5.8 |
|
| $ | - |
|
|
Schedule of information regarding stock options |
| Options Outstanding
|
|
| Options Exercisable
|
|
|
|
|
|
|
|
| Weighted
|
|
|
|
|
| Weighted
|
|
|
|
|
|
|
|
| Average
|
|
| Exercisable
|
|
| Average
|
|
| Exercise
|
|
| Number of
|
|
| Remaining Life
|
|
| Number of
|
|
| Remaining Life
|
|
| Price
|
|
| Options
|
|
| In Years
|
|
| Options
|
|
| In Years
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| $0.01-2.50
|
|
|
| 337,850
|
|
|
| 5.4
|
|
|
| 331,600
|
|
| 5.5
|
|
| 2.51-5.00
|
|
|
| 43,334
|
|
|
| 4.1
|
|
|
| 41,112
|
|
| 4.2
|
|
| 5.01 and up
|
|
|
| 447,447
|
|
|
| 6.3
|
|
|
| 447,030
|
|
| 6.3
|
|
|
|
|
|
| 828,631
|
|
|
| 5.8
|
|
|
| 819,742
|
|
| 5.8
|
|
|
Schedule of changes in warrants outstanding |
Warrants Outstanding
|
|
| Warrants Exercisable
|
|
Exercise Prices
|
|
| Number Outstanding
|
|
| Weighted Average Remaining Contractual Life (Years)
|
|
| Weighted Average Exercise Price
|
|
| Number Exercisable
|
|
| Weighted Average Remaining Contractual Life (Years)
|
|
$
| 20.00
|
|
|
| 10,000
|
|
|
| 0.91
|
|
| $
| 20
|
|
|
| 10,000
|
|
|
| 0.91
|
|
| 100.00
|
|
|
| 62,500
|
|
|
| 0.38
|
|
|
| 100
|
|
|
| 62,500
|
|
|
| 0.38
|
|
|
|
|
|
| 72,500
|
|
|
| 0.46
|
|
| $
| 89.0
|
|
|
| 72,500
|
|
|
| 0.46
|
|
|
Schedule of summary of warrant activity |
|
| Number of Shares
|
|
| Weighted Average Exercise Price Per Share
|
|
Outstanding at January 1, 2019
|
|
| 85,250 |
|
| $ | 79.40 |
|
Issued
|
|
| - |
|
|
| - |
|
Exercised
|
|
| - |
|
|
| - |
|
Expired
|
|
| (12,750 | ) |
|
| 25.00 |
|
Outstanding at December 31, 2019
|
|
| 72,500 |
|
| $ | 89.00 |
|
Issued
|
|
| - |
|
|
| - |
|
Exercised
|
|
| - |
|
|
| - |
|
Expired
|
|
| - |
|
|
| - |
|
Outstanding at December 31, 2020
|
|
| 72,500 |
|
| $ | 89.00 |
|
|