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

4. Property and Equipment, net (Details)

v3.19.1
4. Property and Equipment, net (Details) - USD ($)
Mar. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Property, Plant and Equipment [Line Items]      
Property and equipment - at cost $ 57,026 $ 89,393 $ 358,321
Less accumulated depreciation (53,528) (84,437) (330,475)
Property and equipment - net 3,498 4,956 27,846
Laboratory Equipment [Member]      
Property, Plant and Equipment [Line Items]      
Property and equipment - at cost   0 264,583
Office and Computer Equipment [Member]      
Property, Plant and Equipment [Line Items]      
Property and equipment - at cost 42,288 42,289 46,634
Leasehold Improvements [Member]      
Property, Plant and Equipment [Line Items]      
Property and equipment - at cost 0 26,841 26,841
Furniture and Fixtures [Member]      
Property, Plant and Equipment [Line Items]      
Property and equipment - at cost $ 14,738 $ 20,263 $ 20,263