XML 37 R25.htm IDEA: XBRL DOCUMENT v3.19.1
B. SUMMARY OF CRITICAL ACCOUNTING POLICIES (Details 3) - USD ($)
Dec. 31, 2018
Dec. 31, 2017
Accounting Policies [Abstract]    
Maturing in one year or less $ 494,633 $ 6,122,400
Maturing after one year through three years 0 1,809,428
Total investments $ 494,633 $ 7,931,828