Quarterly report pursuant to Section 13 or 15(d)

Capital Stock, Stock Plans and Stock-Based Compensation (Details Narrative)

v3.8.0.1
Capital Stock, Stock Plans and Stock-Based Compensation (Details Narrative)
$ / shares in Units, $ in Thousands
 3 Months Ended 9 Months Ended
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