Statement of Changes in Net Assets (Liquidation Basis) - USD ($) $ in Thousands	12 Months Ended
	Jul. 31, 2015	Jul. 31, 2014
Liquidating distribution	$ 0	$ (6,932)
(Increase) decrease in estimated costs during the Dissolution period	210	(458)
Decrease in other liabilities	281	263
Increase (decrease) in estimated net realizable value	90	2,990
Land
Increase (decrease) in estimated net realizable value		(448)
Liquidation Basis of Accounting
Net assets in liquidation, beginning balance	$ 9,496	13,637
Liquidating distribution		(6,932)
(Increase) decrease in estimated costs during the Dissolution period	$ 210	(458)
Decrease in other liabilities	281	263
Net assets in liquidation, ending balance	$ 10,080	9,496
Liquidation Basis of Accounting | Land
Increase (decrease) in estimated net realizable value		(448)
Liquidation Basis of Accounting | Patents
Increase (decrease) in estimated net realizable value		2,300
Liquidation Basis of Accounting | Other assets
Increase (decrease) in estimated net realizable value	$ 93	27
Liquidation Basis of Accounting | Other Receivables
Increase (decrease) in estimated net realizable value		$ 1,107