Debt (Tables)

12 Months Ended

Sep. 30, 2017

Debt Disclosure [Abstract]

Schedule of Long-term Debt Instruments [Table Text Block]

Debt at September 30, 2017 and 2016 is summarized as follows:

	2017		2016
Term note payable to Middlesex Savings Bank. The note payable to Middlesex is due in monthly installments of $37,000 for principal and interest through February 2021. The interest rate is 4.52% and the note is secured by an interest in substantially all of the Company's personal property and sixty-five percent of the Company's equity interests in its UK subsidiary, Hilger Crystals, Ltd.	$	1,415,000	$	1,790,000
Note payable to Town of Ayer Industrial Development Finance Authority (Ayer) for an equipment line of credit made with Dynasil subsidiary Optometrics. The note payable to Ayer is due in monthly installments totaling $17,000 per year and will be amortized over ten years with a balloon payment at five years from the date of the note. The interest rate is 5.00%. The note is secured by an interest in the equipment purchased with the line.		141,000		158,000
Note payable to Massachusetts Development Finance Agency (MDFA) for promissory note made with Dynasil subsidiary Optometrics. The note payable to MDFA is due in monthly installments of $6,000 for principal and interest through March, 2019. The interest rate is 5.25%. The note is secured by an interest in substantially all of Optometric's personal property.		107,000		168,000
Convertible notes issued by Xcede, a 61% owned subsidiary, payable on demand after June 30, 2017. The interest rate was 5.00%. The notes and accrued interest were converted into equity in Xcede in November 2016 (See Note 3 - Xcede Technologies, Inc. Joint Venture).		-		3,085,000
Subordinated note payable to Massachusetts Capital Resource Company in monthly installments through October 2017 for interest only, during which Dynasil also made three principal payments. The interest rate is fixed at 6.00%. The note is due on July 31, 2019.		870,000		957,000
Note payable to Leaf Capital Funding, LLC (Leaf) for equipment financing with Dynasil subsidiary RMD. The note payable to Leaf is due in monthly installments of $7,000 for principal and interest through February 2018. The interest rate is 14.59%. The note is secured by an interest in the financed equipment.		32,000		100,000
Note payable to Leaf Capital Funding, LLC (Leaf) for equipment financing with Dynasil subsidiary RMD. The note payable to Leaf is due in monthly installments of $1,000 for principal and interest through July 2019. The interest rate is 8.70%. The note is secured by an interest in the financed equipment.		29,000		43,000
Xcede Note agreement with Cook Biotech Inc. to fund pre-clinical testing for Xcede. Credit draw not to exceed $1.5 million, in three draws of $500,000 upon satisfaction of conditions in Note Agreement. Note bears interest at a rate of 2% and is secured  by all the rights of Xcede under the Development Agreement, Supply Agreement, and License Agreement. The note was recorded at inception at fair value net of unamortized discount based on an imputed interest rate of 5.4%.		458,000		-
Total Debt	$	3,052,000	$	6,301,000
Less current portion		(2,007,000)		(2,477,000)
Less convertible notes		-		(3,085,000)
Long term portion		1,045,000		739,000
Less unamortized debt issuance costs		-		(3,000)
Long term portion less unamortized debt issuance costs	$	1,045,000	$	736,000

Schedule of Maturities of Long-term Debt [Table Text Block]

The aggregate maturities of debt based on the payment terms of the agreement are as follows:

For the years ending on September 30:
2018	$	983,000
2019		997,000
2020		429,000
2021		185,000
2022		-
Thereafter		458,000
	$	3,052,000