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Capital Stock, Stock Plans and Stock-Based Compensation (Details Narrative) $ / shares in Units, $ in Thousands |  |  |  |  | 3 Months Ended | 9 Months Ended |  |
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Jul. 27, 2017 $ / shares shares | Jan. 13, 2017 $ / shares shares | Jul. 28, 2016 $ / shares shares | May 15, 2016 $ / shares shares | Sep. 30, 2017 USD ($) gallons $ / shares shares | Sep. 30, 2016 USD ($) shares | Sep. 30, 2017 USD ($) gallons $ / shares shares | Sep. 30, 2016 USD ($) $ / shares shares | Dec. 31, 2016 shares | Dec. 31, 2015 shares
Outstanding stock options issued and unexercised |  |  |  |  | 514,800 | [1] | 247,200 | [2] | 514,800 | [1] | 247,200 | [2] | 247,200 | 218,200
Number of stock option shares |  |  |  |  |  |  |  |  | 318,000 |  | 62,000 |  |  |
Stock options granted contractual term |  |  |  |  |  |  |  |  | 6 years 9 months 18 days |  |  |  |  |
Stock options, grants in period, exercise price | $ / shares |  |  |  |  |  |  |  |  | $ 3.65 |  | $ 4.09 |  |  |
Unrecognized compensation cost related to unvested options | $ |  |  |  |  | $ 436 |  |  |  | $ 436 |  |  |  |  |
Employee service share-based compensation nonvested awards, compensation not yet recognized, stock options, remainder of fiscal year | $ |  |  |  |  | 42 |  |  |  | 42 |  |  |  |  |
Employee service share-based compensation nonvested awards, compensation not yet recognized, stock options, year two | $ |  |  |  |  | 112 |  |  |  | 112 |  |  |  |  |
Employee service share-based compensation nonvested awards, compensation not yet recognized, stock options, year three | $ |  |  |  |  | 87 |  |  |  | 87 |  |  |  |  |
Employee service share-based compensation nonvested awards, compensation not yet recognized, stock options, year four | $ |  |  |  |  | 75 |  |  |  | 75 |  |  |  |  |
Employee service share-based compensation nonvested awards, compensation not yet recognized, stock options, year five | $ |  |  |  |  | 75 |  |  |  | 75 |  |  |  |  |
Employee service share-based compensation nonvested awards, compensation not yet recognized, stock options, thereafter | $ |  |  |  |  | 45 |  |  |  | 45 |  |  |  |  |
Allocated share-based compensation expense | $ |  |  |  |  | $ 34 |  | $ 25 |  | $ 75 |  | $ 69 |  |  |
Stock Option shall become exercisable |  |  |  |  | 169,467 | [1] | 181,867 | [2] | 169,467 | [1] | 181,867 | [2] |  |
Stock option term, description |  |  |  |  |  |  |  |  | The term of the Ferguson Stock Option is seven (7) years from the grant date. |  |  |  |  |
Consulting expense | $ |  |  |  |  |  |  |  |  | $ 21 |  |  |  |  |
Number of stock options that becomes vested upon the tranches the 1st milestones |  |  |  |  |  |  |  |  | 10,000 |  |  |  |  |
Volatility |  |  |  |  |  |  |  |  | 52.64% |  |  |  |  |
Risk free interest rate |  |  |  |  |  |  |  |  | 2.12% |  |  |  |  |
Dividend |  |  |  |  |  |  |  |  |  |  |  |  |  |
Mr. Robert Ferguson [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Monthly compensation fees | $ |  |  |  |  |  |  |  |  | $ 4 |  |  |  |  |
Mr. Robert Ferguson [Member] | January 27, 2018 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock Option shall become exercisable |  |  |  |  | 10,000 |  |  |  | 10,000 |  |  |  |  |
Number of gallons | gallons |  |  |  |  | 3 |  |  |  | 3 |  |  |  |  |
Mr. Robert Ferguson [Member] | January 27, 2019 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock Option shall become exercisable |  |  |  |  | 30,000 |  |  |  | 30,000 |  |  |  |  |
Number of gallons | gallons |  |  |  |  | 2,000 |  |  |  | 2,000 |  |  |  |  |
Mr. Robert Ferguson [Member] | January 27, 2021 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock Option shall become exercisable |  |  |  |  | 60,000 |  |  |  | 60,000 |  |  |  |  |
Number of gallons | gallons |  |  |  |  | 50,000 |  |  |  | 50,000 |  |  |  |  |
2017 Stock Option Plan [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock options, expiration period |  |  |  |  |  |  |  |  | 10 years |  |  |  |  |
Fair market value of shares, granted percentage |  |  |  |  |  |  |  |  | 1.10 |  |  |  |  |
Fair market value of shares, granted description |  |  |  |  |  |  |  |  | The exercise price of any ISO granted under the 2017 Plan to an individual who is not a 10% stockholder at the time of the grant shall not be less than the fair market value of the shares at the time of the grant, and the exercise price of any incentive stock option granted to a 10% stockholder shall not be less than 110% of the fair market value at the time of grant. |  |  |  |  |
2017 Stock Option Plan [Member] | Ten Percent Stockholder [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock options, expiration period |  |  |  |  |  |  |  |  | 5 years |  |  |  |  |
2017 Stock Option Plan [Member] | Mr. Robert Ferguson [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of stock option shares |  |  |  |  |  |  |  |  | 100,000 |  |  |  |  |
Common stock exercise price per share | $ / shares |  |  |  |  | $ 3.65 |  |  |  | $ 3.65 |  |  |  |  |
2017 Stock Option Plan [Member] | Non-qualified Stock Options and Incentive Stock Options [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gross number of shares available for issuance under the plan |  |  |  |  | 540,000 |  |  |  | 540,000 |  |  |  |  |
2017 Stock Option Plan [Member] | Incentive Stock Options [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock options granted contractual term | 6 years |  |  |  |  |  |  |  |  |  |  |  |  |
Stock options granted vesting period | 5 years |  |  |  |  |  |  |  |  |  |  |  |  |
Stock options, grants in period, exercise price | $ / shares | $ 3.65 |  |  |  |  |  |  |  |  |  |  |  |  |
2017 Stock Option Plan [Member] | Incentive Stock Options [Member] | Louis F. Centofanti [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of stock option shares | 50,000 |  |  |  |  |  |  |  |  |  |  |  |  |
2017 Stock Option Plan [Member] | Incentive Stock Options [Member] | Mr. Mark Duff [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of stock option shares | 100,000 |  |  |  |  |  |  |  |  |  |  |  |  |
2017 Stock Option Plan [Member] | Incentive Stock Options [Member] | Mr. Ben Naccarato [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of stock option shares | 50,000 |  |  |  |  |  |  |  |  |  |  |  |  |
2010 Stock Option Plan [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares remaining available for issuance |  |  |  |  | 140,000 |  |  |  | 140,000 |  |  |  |  |
Outstanding stock options issued and unexercised |  |  |  |  | 60,000 |  |  |  | 60,000 |  |  |  |  |
2010 Stock Option Plan [Member] | Incentive Stock Options [Member] | Mr. Mark Duff [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of stock option shares |  |  |  | 50,000 |  |  |  |  |  |  |  |  |  |
Stock options granted contractual term |  |  |  | 6 years |  |  |  |  |  |  |  |  |  |
Stock options granted vesting period |  |  |  | 3 years |  |  |  |  |  |  |  |  |  |
Stock options, grants in period, exercise price | $ / shares |  |  |  | $ 3.97 |  |  |  |  |  |  |  |  |  |
2003 Outside Directors Stock Plan [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares remaining available for issuance |  |  |  |  | 99,868 |  |  |  | 99,868 |  |  |  |  |
Number of additional shares authorized |  |  |  |  |  |  |  |  | 300,000 |  |  |  |  |
Allocated share-based compensation expense | $ |  |  |  |  |  |  |  |  | $ 175 |  |  |  |  |
Stock issued during period, shares, issued for services |  |  |  |  |  |  |  |  | 44,545 |  |  |  |  |
2003 Outside Directors Stock Plan [Member] | Non-qualified Stock Options [Member] | Director [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of stock option shares | 12,000 | 6,000 | 12,000 |  |  |  |  |  |  |  |  |  |  |
Stock options granted contractual term | 10 years | 10 years | 10 years |  |  |  |  |  |  |  |  |  |  |
Stock options granted vesting period | 180 days | 180 days | 6 months |  |  |  |  |  |  |  |  |  |  |
Stock options, grants in period, exercise price | $ / shares | $ 3.55 | $ 3.79 | $ 4.60 |  |  |  |  |  |  |  |  |  |  |
[1] | Options with exercise prices ranging from $2.79 to $13.35
[2] | Options with exercise prices ranging from $2.79 to $14.75

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