XML 70 R54.htm IDEA: XBRL DOCUMENT v3.19.2
Note 11 - Leases - Operating Lease Balance Sheet Information (Details) - USD ($)
 3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2019
Jan. 01, 2019
Dec. 31, 2018
Operating lease cost $ 42,981 $ 85,962    
Short-term lease cost 15,094 31,390    
Sublease income    
Total lease cost 58,075 117,352    
Operating lease right-of-assets 532,757 532,757 $ 602,937 $ 0
Operating lease liabilities, current portion 141,068 141,068 135,519 0
Operating lease liabilities, net of current portion 383,028 383,028 $ 454,823 $ 0
Operating Lease, Liability, Total $ 524,096 $ 524,096    
Weighted average remaining lease term (in years) – operating leases (Year) 3 years 328 days 3 years 328 days    
Weighted average discount rate – operating leases 5.50% 5.50%