Summary of Significant Accounting Policies (Details Textual) (USD $)	12 Months Ended
Sep. 30, 2014	Sep. 30, 2013
Significant Accounting Policies [Line Items]
Patent costs	$ 400,000dysl_PatentCosts	$ 400,000dysl_PatentCosts
Deferred Finance Costs, Net, Total	221,000us-gaap_DeferredFinanceCostsNet	139,000us-gaap_DeferredFinanceCostsNet
Amortization of Deferred Charges, Total	82,000us-gaap_AmortizationOfDeferredCharges	51,000us-gaap_AmortizationOfDeferredCharges
Advertising Expense	91,000us-gaap_AdvertisingExpense	128,000us-gaap_AdvertisingExpense
Concentration Risk, Percentage	39.50%us-gaap_ConcentrationRiskPercentage1	42.30%us-gaap_ConcentrationRiskPercentage1
Cash, FDIC Insured Amount	250,000us-gaap_CashFDICInsuredAmount
Cash, Uninsured Amount	3,073,000us-gaap_CashUninsuredAmount	2,149,000us-gaap_CashUninsuredAmount
Accrual For Contract Losses	117,000	109,000
Shipping and Handling Revenue	67,000us-gaap_ShippingAndHandlingRevenue	100,000us-gaap_ShippingAndHandlingRevenue
Research and Development Expense, Total	1,343,000us-gaap_ResearchAndDevelopmentExpense	2,307,000us-gaap_ResearchAndDevelopmentExpense
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months	182,000
Finite-Lived Intangible Assets, Amortization Expense, Year Two	180,000
Finite-Lived Intangible Assets, Amortization Expense, Year Three	122,000
Restricted Stock [Member]
Significant Accounting Policies [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	14,256	423,168
Maximum [Member]
Significant Accounting Policies [Line Items]
Finite-Lived Intangible Asset, Useful Life	20 years
Minimum [Member]
Significant Accounting Policies [Line Items]
Finite-Lived Intangible Asset, Useful Life	4 years
Transportation Equipment [Member]
Significant Accounting Policies [Line Items]
Property, Plant and Equipment, Useful Life	5 years
Building and Building Improvements [Member] \| Maximum [Member]
Significant Accounting Policies [Line Items]
Property, Plant and Equipment, Useful Life	25 years
Building and Building Improvements [Member] \| Minimum [Member]
Significant Accounting Policies [Line Items]
Property, Plant and Equipment, Useful Life	8 years
Machinery and Equipment [Member] \| Maximum [Member]
Significant Accounting Policies [Line Items]
Property, Plant and Equipment, Useful Life	20 years
Machinery and Equipment [Member] \| Minimum [Member]
Significant Accounting Policies [Line Items]
Property, Plant and Equipment, Useful Life	5 years
Furniture and Fixtures [Member] \| Maximum [Member]
Significant Accounting Policies [Line Items]
Property, Plant and Equipment, Useful Life	10 years
Furniture and Fixtures [Member] \| Minimum [Member]
Significant Accounting Policies [Line Items]
Property, Plant and Equipment, Useful Life	5 years
Geographic Concentration Risk [Member]
Significant Accounting Policies [Line Items]
Accounts Receivable, Net, Total	665,000	1,315,000
Concentration Risk, Percentage	18.00%	34.00%
Radiation Monitoring Devices, Inc [Member]
Significant Accounting Policies [Line Items]
Research and Development Expense, Total	12,700,000	12,200,000
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months	14,000
Finite-Lived Intangible Assets, Amortization Expense, Year Two	14,000
Finite-Lived Intangible Assets, Amortization Expense, Year Three	12,000
Xcede Technologies inc [Member]
Significant Accounting Policies [Line Items]
Finite-Lived Patents, Gross	$ 100,000
Restricted Stock and Stock Option [Member]
Significant Accounting Policies [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount		1,053,700

Represents the costs incurred in filing, prosecuting and maintaining patents during the period.

No definition available.

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Sum of the carrying values as of the balance sheet date of obligations incurred through that date, including liabilities incurred and payable to vendors for goods and services received, taxes, interest, rent and utilities, compensation costs, payroll taxes and fringe benefits (other than pension and postretirement obligations), contractual rights and obligations, and statutory obligations.

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-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

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For an unclassified balance sheet, the amount due from customers or clients for goods or services that have been delivered or sold in the normal course of business, reduced to their estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.

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Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line.

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The amount of amortization of deferred charges applied against earnings during the period.

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Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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The amount of cash deposited in financial institutions as of the balance sheet date that is insured by the Federal Deposit Insurance Corporation.

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The amount of cash as of the balance sheet date that is not insured by the Federal Deposit Insurance Corporation.

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For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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For an unclassified balance sheet, the carrying amount (net of accumulated amortization) as of the balance sheet date of capitalized costs associated with the issuance of debt instruments (for example, legal, accounting, underwriting, printing, and registration costs) that will be charged against earnings over the life of the debt instruments to which such costs pertain.

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Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Gross carrying amount before accumulated amortization as of the balance sheet date of the costs pertaining to the exclusive legal rights granted to the owner of the patent to exploit an invention or a process for a period of time specified by law. Such costs may have been expended to directly apply and receive patent rights, or to acquire such rights.

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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use.

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Fees charged to customers for the delivery, generally by postal or freight service providers, of product or goods purchased.

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