General form of registration statement for all companies including face-amount certificate companies

Note 8 - Commitments and Contingencies (Details Textual)

v3.19.2
Note 8 - Commitments and Contingencies (Details Textual)
1 Months Ended 3 Months Ended 4 Months Ended 12 Months Ended
May 31, 2017
USD ($)
Mar. 31, 2019
USD ($)
ft²
Apr. 30, 2018
USD ($)
Dec. 31, 2018
USD ($)
ft²
Dec. 31, 2017
USD ($)
Dec. 31, 2015
ft²
Operating Leases, Rent Expense, Total       $ 164,000 $ 161,000  
Chief Scientific Officer [Member]            
Officers' Yearly Compensation       $ 500,000    
UNITED STATES            
Number of Facilities   1   1    
CHINA            
Number of Facilities   1   1    
Lease Monthly Payment   $ 3,800   $ 3,800    
Germantown, MD [Member]            
Area of Real Estate Property | ft²   1,500   1,500    
Lease Monthly Payment   $ 5,700   $ 5,700    
San Diego, CA [Member]            
Area of Real Estate Property | ft²           3,100
Lease Monthly Payment   13,000   12,000    
Gain (Loss) on Termination of Lease $ (92,000)   $ (50,000)      
Operating Leases, Future Minimum Payments Due, Future Minimum Sublease Rentals   $ 62,200   $ 87,000