CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)	12 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Cash flows from operating activities:
Net income (loss)	$ (392,000)	$ 1,590,000
Adjustments to reconcile net income (loss) to net cash:
Stock compensation expense	362,000	457,000
Foreign exchange loss (gain)	44,000	17,000
Depreciation and amortization	1,420,000	1,257,000
Provision for doubtful accounts and sales returns	15,000	63,000
Deferred income taxes	282,000	(1,715,000)
Disposal loss (gain)	(7,000)	0
Non-cash R&D services		166,000
Impairment of long-lived assets	0	182,000
Other	67,000	(11,000)
Other changes in assets and liabilities:
Accounts receivable, net	(152,000)	(788,000)
Unbilled receivables	(1,469,000)	96,000
Contract assets	(83,000)	0
Inventories	(705,000)	216,000
Prepaid expenses and other assets	(162,000)	202,000
Accounts payable	161,000	(10,000)
Accrued expenses and other liabilities	200,000	295,000
Contract liabilities	(89,000)	112,000
Net cash from operating activities	(508,000)	2,129,000
Cash flows from investing activities:
Purchases of property, plant and equipment	(893,000)	(2,244,000)
Purchases of intangibles		(73,000)
Net cash from investing activities	(893,000)	(2,317,000)
Cash flows from financing activities:
Proceeds from issuance of common stock	14,000	17,000
Repurchase of common stock	(3,249,000)	0
Principal payments on capital leases	(40,000)	(93,000)
Proceeds from (payments of) line of credit, net	929,000	0
Proceeds from (payments of) equipment line of credit, net	484,000	742,000
Proceeds from long-term debt	2,000,000	0
Payments of long-term debt	(763,000)	(533,000)
Net cash from financing activities	(625,000)	133,000
Effect of exchange rates on cash and cash equivalents	(33,000)	(33,000)
Net change in cash and cash equivalents	(2,059,000)	(88,000)
Cash and cash equivalents, beginning	2,327,000	2,415,000
Cash and cash equivalents, ending	$ 268,000	$ 2,327,000