Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Apr. 28, 2018	Apr. 29, 2017
Cash flows from operating activities:
Net income	$ 459	$ 775
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	827	782
Deferred income tax benefit	380	2,356
Tax impact of share-based compensation	0	(6)
Gain on sale of assets and investment securities	(19)	(90)
Net recovery of contract adjustments	(60)	(1,178)
Net bad debt (recovery) expense	(96)	399
Changes in:
- contract receivables	8,063	2,953
- other current assets	(46)	(607)
- income tax receivable	275	(1,906)
- other non-current assets	(54)	(18)
- accounts payable	(2,784)	49
- accrued payroll costs	(1,409)	(1,724)
- income taxes payable	285	(6)
- billings in excess of revenue	505	196
- other accrued liabilities	(601)	700
Net cash provided by operating activities	5,725	2,675
Cash flows from investing activities:
Proceeds from sale of subsidiaries	0	75
Purchase of property, buildings and equipment	(702)	(479)
Proceeds from sale of property, buildings and equipment	19	1,483
Purchase of investment securities	(23)	(22)
Net cash (used in) provided by investing activities	(706)	1,057
Cash flows from financing activities:
Dividends paid	(1,721)	(1,720)
Repayment of long-term debt and capital lease obligations	(373)	(196)
Net (repayments) borrowings under lines of credit	(577)	370
Distributions to noncontrolling interests	(322)	(681)
Net cash used in financing activities	(2,993)	(2,227)
Effect of exchange rate changes on cash and cash equivalents	38	9
Net increase in cash, cash equivalents and restricted cash	2,064	1,514
Cash, cash equivalents and restricted cash at beginning of period	13,343	10,161
Cash, cash equivalents and restricted cash at end of period	15,407	11,675
Cash paid during the period for:
Interest	52	90
Income taxes	175	987
Supplemental disclosure of non-cash items:
Capital lease obligations incurred	$ 59	$ 0