Lines of Credit (Tables)

12 Months Ended

Jul. 31, 2017

Lines of Credit [Abstract]

Unsecured Lines of Credit

Unsecured lines of credit are summarized in the following table.

	Balance at July 31,
	2017		2016
	(in thousands)
Outstanding cash draws, recorded as lines of credit on the accompanying consolidated balance sheets	$	581	$	312
Term loan		200		---
Outstanding letters of credit to support operations		2,511		2,187
Total amounts used under lines of credit		3,292		2,499
Remaining amounts available under lines of credit		36,227		36,496
Total approved unsecured lines of credit	$	39,519	$	38,995