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Common Stock (Details Narrative) - Restricted Stock Units (RSUs) [Member] - shares
1 Months Ended 12 Months Ended
Jun. 30, 2017
Feb. 18, 2015
Jan. 31, 2014
Jan. 31, 2014
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Common Stock [Line Items]              
Number of restricted stock units granted 56,250 15,000      
Number of restricted stock units vested and exercisable         18,750  
Number of restricted stock units remains unvested         250 500 152,000
Officers And Key Employees [Member]              
Common Stock [Line Items]              
Number of restricted stock units granted     112,000 112,000      
Number of restricted stock units vested and exercisable       28,000      
Restricted stock units vested and exercisable on date of grant, percentage       100.00%      
Number of restricted stock units remains unvested         250