Note 4 - Equipment and Improvements - Summary of Equipment and Improvements (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Sep. 30, 2015
Property, plant and equipment, gross	$ 7,059	$ 8,136
Less accumulated depreciation	(6,547)	(6,821)
Equipment and improvements, net	512	1,315
Furniture and Fixtures [Member]
Property, plant and equipment, gross	713	1,208
Purchase Software [Member]
Property, plant and equipment, gross	1,043	1,119
Computer Equipment [Member]
Property, plant and equipment, gross	4,080	4,254
Leasehold Improvements [Member]
Property, plant and equipment, gross	$ 1,223	$ 1,555

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

+ References

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