XML 38 R27.htm IDEA: XBRL DOCUMENT v3.7.0.1
Property and Equipment (Details) - USD ($)
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Property, Plant and Equipment [Line Items]    
Property and equipment, gross $ 17,935,184 $ 14,306,900
Less: accumulated depreciation and amortization (9,927,666) (9,233,033)
Property and equipment, net 8,007,518 5,073,867
Depreciation expense 821,000 668,000
Land and land improvements    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross 1,335,341 677,113
Buildings    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross 5,265,134 4,178,158
Machinery and equipment    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross 9,362,431 7,946,039
Rental equipment    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross $ 1,972,278 $ 1,505,590