Represents the capital stock financing discount percentage to the price per share.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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It describes the consolidated fixed charge coverage ratio.

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It represents the purchase price of debt which is classified under subordinate.

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No definition available.

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Amount of accumulated amortization of debt issuance costs.

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Amount of amortization expense attributable to debt issuance costs.

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- Definition

The number of shares issued in exchange for the original debt being converted in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or payments in the period.

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- Definition

The reference rate for the variable rate of the debt instrument, such as LIBOR or the US Treasury rate and the maturity of the reference rate used, such as three months or six months LIBOR.

+ References

No definition available.

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- Definition

Face (par) amount of debt instrument at time of issuance.

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

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- Definition

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

+ References

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Description of the maturity date of the debt instrument including whether the debt matures serially and, if so, a brief description of the serial maturities.

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Amount of the required periodic payments including both interest and principal payments.

+ References

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Amount of the required periodic payments applied to interest.

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Amount of the required periodic payments applied to principal.

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- Definition

Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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- Definition

The cash inflow from the issuance of a long-term debt instrument which can be exchanged for a specified amount of another security, typically the entity's common stock, at the option of the issuer or the holder.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.

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- Definition

The remaining balance of debt issuance expenses that were capitalized and are being amortized against income over the lives of the respective bond issues. This does not include the amounts capitalized as part of the cost of the utility plant or asset.

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Debt (Details Textual) - USD ($)	1 Months Ended	12 Months Ended
Debt (Details Textual) - USD ($)	Nov. 30, 2016	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2017	Feb. 01, 2016	May 01, 2014
Debt [Line Items]
Payment of Subordinate Debt			$ 2,000,000
Description Of Consolidated Fixed Charge Coverage Ratio		The Bank Loan Agreement requires Dynasil, at the close of each fiscal quarter, to maintain a Debt Service Coverage ratio, as defined, of at least 1.20 to 1.00 on a trailing four quarter basis.
Amortization of Debt Issuance Costs		$ 9,000	28,000
Unamortized Debt Issuance Expense		3,000	12,000
Debt Issuance Costs, Net		64,000	260,000
Accumulated Amortization, Debt Issuance Costs		$ 61,000	248,000
Subsequent Event [Member]
Debt [Line Items]
Unamortized Debt Issuance Expense				$ 3,000
Masschusetts Capital Resource Corporation [Member]
Debt [Line Items]
Debt Instrument, Face Amount			3,000,000
Masschusetts Capital Resource Corporation [Member] \| 6.00% Note Payable [Member]
Debt [Line Items]
Debt Instrument, Interest Rate, Stated Percentage		6.00%
Debt Instrument, Periodic Payment, Principal		$ 43,478	130,000
Debt Instrument, Maturity Date, Description		July 31, 2018
Debt Instrument, Periodic Payment		$ 48,000
Debt Instrument, Periodic Payment, Interest		$ 5,000
Middlesex Savings Bank [Member]
Debt [Line Items]
Debt Instrument, Maturity Date		May 01, 2017
Debt Instrument, Interest Rate, Stated Percentage		3.50%			4.50%
Debt Instrument, Face Amount						$ 4,000,000
Debt Instrument, Description of Variable Rate Basis		The interest rate under the Note is equal to the Prime Rate, but in no event less than 3.25%.
Middlesex Savings Bank [Member] \| 4.52% Term Note Payable [Member]
Debt [Line Items]
Debt Instrument, Maturity Date		Feb. 01, 2021
Debt Instrument, Periodic Payment		$ 37,000
Short-term Debt					$ 2,000,000
Middlesex Savings Bank [Member] \| Maximum [Member]
Debt [Line Items]
Long-term Line of Credit					$ 3,800,000
Town of Ayer Industrial Development Finance Authority [Member]
Debt [Line Items]
Debt Instrument, Interest Rate, Stated Percentage		5.00%
Debt Instrument, Periodic Payment, Principal		$ 17,000
Massachusetts Development Finance Agency [Member]
Debt [Line Items]
Debt Instrument, Interest Rate, Stated Percentage		5.25%
Debt Instrument, Maturity Date, Description		March, 2019
Debt Instrument, Periodic Payment		$ 6,000
Optometrics Corporation [Member]
Debt [Line Items]
Debt Instrument, Face Amount		$ 500,000
Optometrics Corporation [Member] \| Maximum [Member]
Debt [Line Items]
Debt Instrument, Interest Rate, Stated Percentage		5.25%
Optometrics Corporation [Member] \| Minimum [Member]
Debt [Line Items]
Debt Instrument, Interest Rate, Stated Percentage		5.00%
Radiation Monitoring Devices, Inc [Member] \| Maximum [Member]
Debt [Line Items]
Debt Instrument, Interest Rate, Stated Percentage		14.59%
Radiation Monitoring Devices, Inc [Member] \| Minimum [Member]
Debt [Line Items]
Debt Instrument, Interest Rate, Stated Percentage		8.70%
Leaf Capital Funding, LLC [Member] \| 14.59% Note Payable [Member]
Debt [Line Items]
Debt Instrument, Maturity Date		Feb. 01, 2018
Debt Instrument, Interest Rate, Stated Percentage		14.59%
Debt Instrument, Periodic Payment		$ 7,000
Leaf Capital Funding, LLC [Member] \| 8.70% Note Payable [Member]
Debt [Line Items]
Debt Instrument, Maturity Date		Jul. 01, 2019
Debt Instrument, Interest Rate, Stated Percentage		8.70%
Debt Instrument, Periodic Payment		$ 1,000
Note Purchase Agreement [Member]
Debt [Line Items]
Payment of Subordinate Debt			$ 3,000,000
Debt Instrument, Interest Rate, Stated Percentage		10.00%
Xcede Technologies inc [Member]
Debt [Line Items]
Proceeds from Convertible Debt		$ 2,900,000
Debt Instrument, Maturity Date		Jun. 30, 2017
Debt Instrument, Interest Rate, Stated Percentage		5.00%
Equity Method Investment, Ownership Percentage		83.00%
Xcede Technologies inc [Member] \| Subsequent Event [Member]
Debt [Line Items]
Debt Conversion, Converted Instrument, Shares Issued	5,394,120
Capital Stock Financing Discount Percentage	20.00%