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Stock-Based Compensation (Tables) | 12 Months Ended
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Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Summary of options outstanding by exercise price range |
Options Outstanding
Range of Exercise Price |  | Number Outstanding and exercisable at 12/31/19 |  |  | Weighted Average Remaining Contractual Life (years) |  |  | Weighted Average Exercise Price |
$ 0 - $ 15.00 |  |  | 32,500 |  |  |  | 0.90 |  |  | $ | 14.95 |
$ 15.01 - $ 30.40 |  |  | 8,000 |  |  |  | 0.33 |  |  | $ | 30.40 |
$ 30.40 - $ 62.10 |  |  | 12,000 |  |  |  | 0.14 |  |  | $ | 59.60 |
|  |  | 52,500 |  |  |  | 1.37 |  |  | $ | 27.51 |
Summary of assumptions used to value stock options granted to employees and directors |
|  | For the year ended |
|  | December 31, 2018 |
Annual dividend yield |  |  | - |
Expected life (years) |  |  | 1.5 |
Risk-free interest rate |  |  | 2.19 | %
Expected volatility |  |  | 71.12 | %
Summary of stock-based compensation expense |
|  | Years ended December 31, |
|  | 2019 |  |  | 2018 |
(In thousands) |  |  |  |  |  |
Sales and marketing |  | $ | - |  |  | $ | 6 |
General and administrative |  |  | - |  |  |  | 23 |
Stock-based compensation expense |  | $ | - |  |  | $ | 29 |
Employee Stock Option [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Summary of all stock option plans / warrant activity |
|  | Options Outstanding |
|  |  |  |  |  |  |  | Weighted- |  |  |  |
|  |  |  |  |  |  |  | Average |  |  |  |
|  |  |  |  | Weighted- |  |  | Remaining |  |  |  |
|  |  |  |  | Average |  |  | Contractual |  |  | Aggregate |
|  | Number of |  |  | Exercise |  |  | Life |  |  | Intrinsic |
|  | Shares |  |  | Price |  |  | (in years) |  |  | Value |
Options outstanding – January 1, 2018 |  |  | 175,600 |  |  | $ | 41.99 |  |  |  | 2.18 |  |  | $ | - |
Options granted |  |  | 30,000 |  |  |  | 15.00 |  |  |  |  |  |  |  | - |
Options exercised |  |  | - |  |  |  | - |  |  |  |  |  |  |  | - |
Options cancelled or expired |  |  | (105,800 | ) |  |  | 41.36 |  |  |  |  |  |  |  | - |
Options outstanding – December 31, 2018 |  |  | 99,800 |  |  | $ | 34.55 |  |  |  | 1.41 |  |  |  | - |
Options granted |  |  | - |  |  |  | - |  |  |  |  |  |  |  | - |
Options exercised |  |  | - |  |  |  | - |  |  |  |  |  |  |  | - |
Options cancelled or expired |  |  | (47,300 | ) |  |  | 42,35 |  |  |  |  |  |  |  | - |
Options outstanding and vested – December 31, 2019 |  |  | 52,500 |  |  | $ | 27.51 |  |  |  | 1.37 |  |  | $ | - |

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- 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=116856206&loc=d3e5070-113901 + Details
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- 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=116856206&loc=d3e5070-113901 + Details
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