Summary of Significant Accounting Policies (Details Textual) - USD ($)	12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Significant Accounting Policies [Line Items]
Patent costs	$ 500,000	$ 400,000
Deferred Finance Costs, Net, Total	248,000	221,000
Amortization of Deferred Charges, Total	28,000	82,000
Advertising Expense	96,000	91,000
Cash, FDIC Insured Amount	250,000
Cash, Uninsured Amount	600,000	3,000,000
Accrual For Contract Losses	110,000	117,000
Shipping and Handling Revenue	49,000	67,000
Research and Development Expense, Total	1,715,000	1,343,000
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months	185,000
Finite-Lived Intangible Assets, Amortization Expense, Year Two	125,000
Other Research and Development Expense	$ 100,000	$ 100,000
Restricted Stock [Member]
Significant Accounting Policies [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	10,165	14,256
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] | Accounts Receivable [Member]
Significant Accounting Policies [Line Items]
Accounts Receivable, Net, Total	$ 921,000	$ 665,000
Concentration Risk, Percentage	26.00%	18.00%
Radiation Monitoring Devices, Inc [Member]
Significant Accounting Policies [Line Items]
Research and Development Expense, Total	$ 10,600,000	$ 12,600,000
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months	9,000
Finite-Lived Intangible Assets, Amortization Expense, Year Two	2,000
Xcede Technologies inc [Member]
Significant Accounting Policies [Line Items]
Finite-Lived Patents, Gross	$ 100,000	$ 100,000
Restricted Stock and Stock Option [Member]
Significant Accounting Policies [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	10,165