11.	Lines of Credit

Unsecured lines of credit are summarized in the following table.

	July 31,
	2018		2017 (Restated)
	(in thousands)
Outstanding cash advances, recorded as lines of credit on the accompanying consolidated balance sheets	$	---	$	372
Short-term loan issued under lines of credit included in current portion of long-term debt		---		200
Outstanding letters of credit to support operations		1,668		2,193
Total amounts used under lines of credit		1,668		2,765
Remaining amounts available under lines of credit		33,932		35,735
Total unsecured lines of credit	$	35,600	$	38,500

The Company’s U.S. operations are supported by two line of credit arrangements:

•

$19.0 million available line of credit at July 31, 2018; no outstanding cash advances as of July 31, 2018 or 2017; letters of credit of less than $0.1 million were outstanding at July 31, 2018 and 2017; interest rate based on LIBOR plus 275 basis points; and

•

$13.5 million available line of credit at July 31, 2018; no outstanding cash advances as of July 31, 2018 or 2017; letters of credit of less than $0.1 million outstanding at July 31, 2018 and 2017; interest rate based on LIBOR plus 200 basis points.

The Company’s South American operations are supported by two line of credit arrangements:

•

$2.0 million available line of credit at July 31, 2018 to support operations in Peru; no outstanding cash advances as of July 31, 2018 or 2017; letters of credit of $1.0 million and $1.6 million were outstanding at July 31, 2018 and 2017, respectively; interest rate is affirmed by or negotiated with the lender annually; and

•

$1.1 million available line of credit at July 31, 2018 to support operations in Brazil; combined balance of outstanding cash advances and short-term loan of $0 and $0.6 million as of July 31, 2018 and 2017, respectively; letters of credit of $0.6 million and $0.5 million were outstanding at July 31, 2018 and 2017, respectively; interest rate based on a Brazilian government economic index.