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Organization and Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2019
Reconciliation of Numerators and Denominators used in Computing Basic and Diluted Net Income Per Share | The following is a reconciliation of the numerators and denominators used in computing basic and diluted net income per share:
|  | 12 Month Period Ended December 31, 2019 |  |  | 12 Month Period Ended December 31, 2018 |  |  | 12 Month Period Ended December 31, 2017 |
Net loss |  | $ | (10,439,961 | ) |  | $ | (5,172,436 | ) |  | $ | (7,759,472 | )
Cumulative dividends on Series G Preferred Stock |  |  | — |  |  |  | — |  |  |  | — |
Numerator, basic and diluted net loss available to stockholders |  | $ | (10,439,961 | ) |  | $ | (5,172,436 | ) |  | $ | (7,759,472 | )
Denominator: |  |  |  |  |  |  |  |  |  |  |  |
Shares used in computation – basic: |  |  |  |  |  |  |  |  |  |  |  |
Weighted average common shares outstanding |  |  | 9,346,213 |  |  |  | 8,583,795 |  |  |  | 8,209,539 |
Shares used in computation – diluted: |  |  |  |  |  |  |  |  |  |  |  |
Weighted average common shares outstanding |  |  | 9,346,213 |  |  |  | 8,583,795 |  |  |  | 8,209,539 |
Net loss per share – basic and diluted |  | $ | (1.12 | ) |  | $ | (0.60 | ) |  | $ | (0.95 | )
Schedule of Financial Instruments at Fair Value on a Recurring Basis | We measure certain financial instruments at fair value on a recurring basis. The Company had liabilities that are required to be measured at fair value on a recurring basis as follows at December 31, 2019:
|  | Total |  |  | Level 1 |  |  | Level 2 |  |  | Level 3 |
Assets: |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |
Liabilities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Hybrid debt instrument at fair value |  | $ | 861,484 |  |  | $ | — |  |  | $ | — |  |  | $ | 861,484 |
Reconciliation of the Beginning and Ending Balances for the Liability Measured at Fair Value on a Recurring Basis | The following is a reconciliation of the beginning and ending balances for the liability measured at fair value on a recurring basis using significant unobservable inputs (Level 3) during the year December 31, 2019: See footnote NOTE H: Note 10 – 37North for further detail.
Balance at December 31, 2018 |  | $ | — |
Fair value of hybrid instrument issued |  |  | 869,783 |
Gain on change in derivative liability |  |  | (8,299 | )
Balance at December 31, 2019 |  | $ | 861,484 |
Convertible Preferred Stock Excluded from EPS [Member] |
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share | The weighted average equivalent common shares relating to our unvested restricted stock awards that were excluded from potential common shares used in the earning per share calculation due to having an anti-dilutive effect are:
|  | 2019 |  |  | 2018 |  |  | 2017 |
Excluded unvested restricted stock awards |  |  | 41,667 |  |  |  | 41,667 |  |  |  | 132,826 |
In the Money Potential Common Shares [Member] |
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share | The potential common shares, in the table following, represent potential common shares calculated using the treasury stock method from outstanding options and warrants that were excluded from the calculation of Diluted EPS:
|  | 2019 |  |  | 2018 |  |  | 2017 |
Average market price during the period |  | $ | 4.93 |  |  | $ | 6.81 |  |  | $ | 3.98 |
In the money potential common shares from options excluded |  |  | 22,493 |  |  |  | 13,450 |  |  |  | 7,023 |
In the money potential common shares from warrants excluded |  |  | 120,000 |  |  |  | 50,640 |  |  |  | 13,869 |
Out of Money Potential Common Shares [Member] |
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share | Potential common shares from out-of-the-money options and warrants were also excluded from the computation of diluted earnings per share because calculation of the associated potential common shares has an anti-dilutive effect. The following table lists options and warrants that were excluded from diluted EPS.
Per share exercise price |  | 2019 |  |  | 2018 |  |  | 2017 |
Out of the money options excluded: |  |  |  |  |  |  |  |  |
$3.59 |  |  | — |  |  |  | — |  |  |  | — |
$12.48 |  |  | 136,833 |  |  |  | 136,833 |  |  |  | 137,666 |
$12.84 |  |  | 4,167 |  |  |  | 4,167 |  |  |  | 4,167 |
$26.40 |  |  | 75,158 |  |  |  | 75,158 |  |  |  | 75,158 |
$34.68 |  |  | — |  |  |  | — |  |  |  | — |
$39.00 |  |  | — |  |  |  | — |  |  |  | 8,333 |
$41.16 |  |  | — |  |  |  | — |  |  |  | — |
$42.00 |  |  | — |  |  |  | — |  |  |  | — |
$46.80 |  |  | — |  |  |  | — |  |  |  | — |
Out-of-the-money warrants excluded: |  |  |  |  |  |  |  |  |
$5.76 |  |  | 196,135 |  |  |  | — |  |  |  | — |
$7.16 |  |  | 700,000 |  |  |  | 700,000 |  |  |  | — |
$12.00 |  |  | — |  |  |  | 65,625 |  |  |  | — |
Total excluded |  |  | 1,112,293 |  |  |  | 981,783 |  |  |  | 225,324 |

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