CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)	12 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Cash flows from operating activities:
Net income (loss)	$ 334,000	$ (353,000)
Adjustments to reconcile net income (loss) to net cash:
Stock compensation expense	698,000	459,000
Foreign exchange loss (gain)	143,000	70,000
Gain on sale of assets	(4,000)	(178,000)
Depreciation and amortization	1,267,000	1,196,000
Pension expense	0	318,000
Provision for inventories	182,000	137,000
Other	201,000	209,000
Other changes in assets and libilities:
Accounts receivable, net	(271,000)	(196,000)
Inventories	(1,080,000)	(365,000)
Costs in excess of billings and unbilled receivables	310,000	(283,000)
Prepaid expenses and other assets	8,000	(346,000)
Accounts payable	(176,000)	304,000
Accrued expenses and other liabilities	368,000	(145,000)
Deferred revenue	129,000	9,000
Net cash from operating activities	2,109,000	836,000
Cash flows from investing activities:
Proceeds from sale of assets	4,000	244,000
Purchases of property, plant and equipment	(1,616,000)	(1,310,000)
Net cash from investing activities	(1,612,000)	(1,066,000)
Cash flows from financing activities:
Proceeds from issuance of common stock	16,000	12,000
Net proceeds from issuance of convertible notes	840,000	613,000
Principal payments on capital leases	(118,000)	(147,000)
Proceeds from (payments of) line of credit, net	545,000	2,501,000
Payments on long-term debt	(349,000)	(5,244,000)
Net cash from financing activities	934,000	(2,265,000)
Effect of exchange rates on cash and cash equivalents	(119,000)	(52,000)
Net change in cash and cash equivalents	1,312,000	(2,547,000)
Cash and cash equivalents, beginning	1,295,000	3,842,000
Cash and cash equivalents, ending	$ 2,607,000	$ 1,295,000