XML 53 R43.htm IDEA: XBRL DOCUMENT v3.19.2
Property and Equipment (Details) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Dec. 31, 2018
Property and equipment          
Property and equipment, gross $ 4,035,566   $ 4,035,566   $ 3,901,011
Accumulated depreciation (2,205,372)   (2,205,372)   (2,031,450)
Total 1,830,194   1,830,194   1,869,561
Depreciation expense of property and equipment 126,653 $ 115,088 250,994 $ 224,459  
Computer software and hardware          
Property and equipment          
Property and equipment, gross 534,616   534,616   555,292
Furniture and fixtures          
Property and equipment          
Property and equipment, gross 988,229   988,229   901,415
Leasehold improvements          
Property and equipment          
Property and equipment, gross 209,226   209,226   202,026
Machinery and equipment          
Property and equipment          
Property and equipment, gross 2,212,349   2,212,349   2,184,015
Tooling in-process          
Property and equipment          
Property and equipment, gross $ 91,146   $ 91,146   $ 58,263