Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jan. 28, 2017	Jan. 30, 2016
Cash flows from operating activities:
Net income	$ 511	$ (25)
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	516	583
Deferred income taxes	2,351	944
Share based compensation expense	0	30
Tax impact of share-based compensation	(6)	0
Gain on sale of assets and investment securities	(3)	(3)
Net recovery of contract adjustments and project disallowance reserves	(1,154)	(482)
Net bad debt (recovery) expense	167	314
Changes in:
- contract receivables	3,108	6,444
- other current assets	(392)	(975)
- income tax receivable	(2,098)	(118)
- other non-current assets	(25)	17
- accounts payable	(149)	(2,765)
- accrued payroll costs	(971)	(861)
- income taxes payable	(3)	42
- billings in excess of revenue	942	607
- other accrued liabilities	352	(100)
Net cash provided by operating activities	3,146	3,652
Cash flows from investing activities:
Proceeds from sale of subsidiaries	75	150
Purchase of property, building and equipment	(183)	(410)
Proceeds from sale of equipment	9	3
Purchase of investment securities	(15)	(14)
Net cash used in investing activities	(114)	(271)
Cash flows from financing activities:
Dividends paid	(861)	(1,033)
Repayment of debt	(159)	(486)
Net borrowings under lines of credit	286	132
Distributions to noncontrolling interests	(673)	(136)
Net cash used in financing activities	(1,407)	(1,523)
Effect of exchange rate changes on cash and cash equivalents	74	(260)
Net increase in cash, cash equivalents and restricted cash	1,699	1,598
Cash, cash equivalents and restricted cash at beginning of period	10,161	8,703
Cash, cash equivalents and restricted cash at end of period	11,860	10,301
Cash paid (received) during the period for:
Interest	77	51
Income taxes	315	1,687
Supplemental disclosure of non-cash items:
Dividends declared and not paid	859	1,034
Sale of subsidiary (loans receivable)	$ 0	$ 150