Annual report pursuant to Section 13 and 15(d)

Transactions Affecting Stockholders' Equity (Details Narrative)

v3.20.1
Transactions Affecting Stockholders' Equity (Details Narrative) - USD ($)
9 Months Ended 12 Months Ended
Nov. 20, 2019
Dec. 24, 2018
May 07, 2018
Apr. 12, 2018
Jul. 30, 2015
Sep. 30, 2018
Dec. 31, 2019
Dec. 31, 2018
Dec. 12, 2019
Jan. 24, 2019
Sep. 05, 2018
May 05, 2010
Common stock, shares authorized             50,000,000 50,000,000        
Preferred stock, shares authorized             1,000,000 1,000,000        
Preferred stock, par value             $ 0.0005 $ 0.0005        
Preferred stock, shares issued                    
Equity method investment ownership percentage             50.00%          
Cash dividend paid $ 0.25 $ 0.25 $ 1.00                  
Dividend payable $ 2,900,000 $ 2,900,000 $ 11,700,000                  
Dividends record date Dec. 03, 2019 Jan. 10, 2019 May 21, 2018                  
Dividends payable date Dec. 12, 2019 Jan. 24, 2019 Jun. 05, 2018                  
Stock option, expected life             4 years 6 months 4 years 6 months        
Options outstanding - shares             782,000          
Available for grant, shares             528,659          
Share based compensation             $ 401,000          
Stock options weighted average period             2 years 1 month 6 days          
Weighted average risk rate             2.00% 2.00%        
Stock option, dividend yield             0.00% 0.00%        
Stock option, expected volatility             42.00% 40.00%        
Fair value of stock option grant             $ 148,000 $ 1,800,000        
Vested Stock Options [Member]                        
Share based compensation expenses             $ 682,000 $ 590,000        
2015 Equity Line of Credit Agreement [Member]                        
Line of credit expired, description         The 2015 Equity Line of Credit expired in July 2018.              
Maximum [Member] | 2015 Equity Line of Credit Agreement [Member]                        
Stock issued during period shares         3,200,000              
Stockholder Rights Plan [Member]                        
Common stock right's exercise price             $ 45          
Acquisition percentage             15.00%          
Equity method investment ownership percentage required for rights exercisable under right agreement             15.00%          
Percentage of discount on exercise of right             50.00%          
Rights agreement expiration date             Jun. 18, 2024          
Stockholder Rights Plan [Member] | Chairman and Chief Executive Officer [Member] | Maximum [Member]                        
Acquisition percentage             20.00%          
2010 Directors' Equity Compensation Plan [Member]                        
Stock issued during period shares             358,786          
Plan provides total number of shares of common stock issued                       675,000
Stock option granted             24,074 14,948        
Director fees             $ 62,000 $ 45,000        
2010 Equity Compensation Plan [Member]                        
Plan provides total number of shares of common stock issued                       3,900,000
Stock option granted             200,000 30,000        
Stock options exercise price per share             $ 2.01 $ 2.35        
Vesting period               3 years        
Proceeds from options exercised, shares               250,000        
2010 Equity Compensation Plan [Member] | Common Stock Shares [Member]                        
Proceeds from options exercised, shares             490,000        
Proceeds from stock options exercised               $ 337,500        
2010 Equity Compensation Plan [Member] | NonEmployees [Member]                        
Stock option granted               160,000        
Stock options exercise price per share               $ 3.18        
Vesting period               4 years        
2010 Equity Compensation Plan [Member] | Maximum [Member]                        
Stock option, expected life               4 years 9 months        
2010 Equity Compensation Plan [Member] | Minimum [Member]                        
Stock option, expected life               4 years 6 months        
2018 Stock Incentive Plan [Member]                        
Cash dividend paid                     $ 1.00  
Stock option granted       2,300,000                
Stock options exercise price per share                 $ 0.25 $ 0.25    
Stock option, expected life       4 years 6 months                
Available for grant, shares       2,300,000                
Share based compensation       $ 577,000                
Stock options weighted average period       1 year 2 months 12 days                
2018 Stock Incentive Plan [Member] | CEO [Member]                        
Proceeds from options exercised, shares                      
2018 Stock Incentive Plan [Member] | Maximum [Member]                        
Stock options exercise price per share             $ 3.00   1.75 2.00    
2018 Stock Incentive Plan [Member] | Minimum [Member]                        
Stock options exercise price per share             $ 2.00   $ 1.50 $ 1.75