XML 28 R18.htm IDEA: XBRL DOCUMENT v3.19.1
Summary of Significant Accounting Policies - Fair Value (Details) - USD ($)
Mar. 31, 2019
Sep. 30, 2018
Self-Insurance Reserves    
Estimated liability for medical claims incurred but not reported $ 59,000 $ 60,000
Excess of funded premiums over estimated claims incurred but not reported 109,000 102,000
Fair value on a recurring basis | Quoted Price in Active Markets for Identical Assets (Level 1) | Money market funds    
Assets    
Cash and cash equivalents $ 20,758,798 $ 19,725,474