Annual report pursuant to Section 13 and 15(d)

Property and Equipment (Details)

v3.8.0.1
Property and Equipment (Details) - USD ($)
Dec. 31, 2017
Dec. 31, 2016
Property, Plant and Equipment [Line Items]    
Total property and equipment, gross $ 1,940,175 $ 2,039,130
Less accumulated depreciation and amortization (1,672,508) (1,710,881)
Total property and equipment, net 267,667 328,249
Equipment [Member]    
Property, Plant and Equipment [Line Items]    
Total property and equipment, gross 1,151,543 1,165,076
Furniture And Fixtures [Member]    
Property, Plant and Equipment [Line Items]    
Total property and equipment, gross 112,143 112,143
Leasehold Improvements [Member]    
Property, Plant and Equipment [Line Items]    
Total property and equipment, gross 179,999 179,999
Computer Equipment And Software [Member]    
Property, Plant and Equipment [Line Items]    
Total property and equipment, gross 148,017 150,304
Loaned Systems [Member]    
Property, Plant and Equipment [Line Items]    
Total property and equipment, gross $ 348,473 $ 431,608