Assets Held for Sale and Discontinued Operations - Additional Information (Details) - USD ($)		12 Months Ended
	Jun. 07, 2019	Sep. 30, 2019
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gain on sale of subsidiary		$ 1,614,000
Discontinued Operations, Disposed of by Sale [Member] | SoLayTec
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gain on sale of subsidiary	$ 1,600,000
Tempress | Discontinued Operations, Held-for-sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
One-time costs to sell		750,000
Broker Fees | Tempress | Discontinued Operations, Held-for-sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
One-time costs to sell		500,000
Legal Fees | Tempress | Discontinued Operations, Held-for-sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
One-time costs to sell		$ 250,000