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Share-Based Payment Awards (Details Narrative) $ / shares in Units, $ in Thousands |  | 8 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jan. 02, 2018 Director shares | Dec. 31, 2017 USD ($) $ / shares | Dec. 31, 2018 USD ($) $ / shares shares
Number of stock options issued to purchase common stock |  |  | 225,000
Stock-based compensation expense | $ |  | $ 1,761 | $ 1,850
General and Administrative Expense [Member] |  |  |
Stock-based compensation expense | $ |  | 1,735 | 1,770
Research and Development Expense [Member] |  |  |
Stock-based compensation expense | $ |  | $ 26 | $ 80
Restricted Stock [Member] |  |  |
Number of stock options issued to purchase common stock |  |  | 218,980
Stock Option [Member] |  |  |
Stock options expiration period |  |  | 10 years
Restricted Stock Awards (RSAs) [Member] |  |  |
Weighted average grant date fair value issued | $ / shares |  | $ 0.21 | $ 1.37
Fair value of vested | $ |  | $ 0 | $ 2,784
Unrecognized compensation costs | $ |  |  | $ 59
Restricted Stock Awards (RSU's) [Member] |  |  |
Weighted average grant date fair value issued | $ / shares |  | $ 1.38 |
Fair value of vested | $ |  | $ 69 | $ 69
Non-Vested Stock Option Awards [Member] |  |  |
Unrecognized compensation costs | $ |  |  | $ 1,277
Restricted Stock Units (RSUs) [Member] |  |  |
Number of stock options issued to purchase common stock |  |  |
Unrecognized compensation costs | $ |  |  | $ 0
Outside Directors One [Member] | Restricted Stock [Member] |  |  |
Shares issued as compensation | 54,745 |  |
Outside Directors Two [Member] | Restricted Stock [Member] |  |  |
Shares issued as compensation | 54,745 |  |
Outside Directors Three [Member] | Restricted Stock [Member] |  |  |
Shares issued as compensation | 54,745 |  |
Outside Directors Four [Member] | Restricted Stock [Member] |  |  |
Shares issued as compensation | 54,745 |  |
Four Outside Directors [Member] | Restricted Stock [Member] |  |  |
Shares issued as compensation | 218,980 |  |
Number of outside directors | Director | 4 |  |
Outside Directors [Member] | Restricted Stock [Member] |  |  |
Restricted shares to outside directors vesting percentage | 25.00% |  | 25.00%
Director [Member] | Restricted Stock [Member] |  |  |
Restricted shares to outside directors vesting percentage |  |  | 100.00%
Product Consultant [Member] |  |  |
Number of stock options issued to purchase common stock |  |  | 50,000
Common Stock [Member] | Product Consultant [Member] |  |  |
Stock options expiration period |  |  | 5 years
2017 Equity Incentive Plan [Member] |  |  |
Share-based compensation arrangement by share-based payment award, number of shares authorized |  |  | 5,000,000
2018 Equity Incentive Plan [Member] |  |  |
Share-based compensation arrangement, shares available for future issuance |  |  | 886,020
2018 Equity Incentive Plan [Member] | January 1, 2019 and Through January 1, 2028 |  |  |
Percentage for total number of shares outstanding |  |  | 4.00%
2018 Employee Stock Purchase Plan [Member] |  |  |
Stock-based compensation expense | $ |  |  | $ 5
Weighted average grant date fair value issued | $ / shares |  |  | $ 2.59
Number of initial shares reserve |  |  | 150,000
Share based compensation for initial shares reserve, description |  |  | The Company's ESPP provides for an initial reserve of 150,000 shares and this reserve is automatically increased on January 1 of each year by the lesser of 1% of the outstanding common shares at December 31 of the preceding year or 150,000 shares, subject to reduction at the discretion of its board of directors.
Percentage for purchase stock and fair value of common stock |  |  | 85.00%
Description for deductions to purchase stock at price per share |  |  | The terms of the ESPP permit employees of the Company to use payroll deductions to purchase stock at a price per share that is at least the lesser of (1) 85% of the fair market value of a share of common stock on the first date of an offering or (2) 85% of the fair market value of a share of common stock on the date of purchase.
Employees contributed | $ |  |  | $ 8

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