Annual report pursuant to Section 13 and 15(d)

Commitments and Contingencies Related to Discontinued Operations - Narrative (Details)

v3.19.1
Commitments and Contingencies Related to Discontinued Operations - Narrative (Details) - USD ($)
3 Months Ended 12 Months Ended
Dec. 31, 2017
Dec. 31, 2018
Dec. 31, 2017
Discontinued Operations and Disposal Groups [Abstract]      
Contingency provision related to discontinued operations $ 522,000 $ 497,000 $ 522,000
Provision for remediation costs (275,000)   (440,000)
Loss from discontinued operations, net of tax (172,137) 0 (275,624)
Discontinued operations $ (103,000) $ 0 $ (164,235)