Supplemental Balance Sheet Disclosures (Details) (USD $)	3 Months Ended	6 Months Ended	12 Months Ended
Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2015	Mar. 31, 2014	Sep. 30, 2014
Inventories valuation
Raw materials	$ 3,766,723		$ 3,766,723		$ 4,389,334
Work-in-process	658,153		658,153		905,529
Finished goods	194,365		194,365		175,923
Inventory, Net, Total	4,619,241us-gaap_InventoryNet		4,619,241us-gaap_InventoryNet		5,470,786us-gaap_InventoryNet
Prepaid expenses and other current assets
Prepaid insurance	613,418us-gaap_PrepaidInsurance		613,418us-gaap_PrepaidInsurance		398,090us-gaap_PrepaidInsurance
Other	262,472us-gaap_OtherAssetsCurrent		262,472us-gaap_OtherAssetsCurrent		352,018us-gaap_OtherAssetsCurrent
Total	875,890		875,890		750,108
Unbilled receivables
Change in operating income resulting from revised estimates	(637,965)us-gaap_OperatingIncomeLoss	1,089,640us-gaap_OperatingIncomeLoss	(471,650)us-gaap_OperatingIncomeLoss	2,498,264us-gaap_OperatingIncomeLoss
Provision for loss on unbilled receivables			3,600,000		3,700,000
Unbilled receivables, net	5,859,955us-gaap_UnbilledReceivablesCurrent		5,859,955us-gaap_UnbilledReceivablesCurrent		7,425,728us-gaap_UnbilledReceivablesCurrent
Contracts Accounted for under Percentage of Completion
Unbilled receivables
Change in operating income resulting from revised estimates	$ 354,000	$ 443,000	$ 720,000	$ 614,000

Amount of expense related to write-down of unbilled receivables to the amount expected to be collected.

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Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of merchandise or goods held by the company that are readily available for sale.

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Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.

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Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of unprocessed items to be consumed in the manufacturing or production process.

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Carrying amount, net of reserves and adjustments, as of the balance sheet date of merchandise or goods which are partially completed. This inventory is generally comprised of raw materials, labor and factory overhead costs, which require further materials, labor and overhead to be converted into finished goods, and which generally require the use of estimates to determine percentage complete and pricing.

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Amount of asset related to consideration paid in advance for insurance that provides economic benefits within a future period of one year or the normal operating cycle, if longer.

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Amount received for services rendered and products shipped, but not yet billed, for non-contractual agreements due within one year or the normal operating cycle, if longer.

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