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GENERAL AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)
 12 Months Ended
Apr. 28, 2019
Accounting Policies [Abstract]  
Summary of Cash and Cash Equivalents by Geographic Area
A summary of our cash and cash equivalents by geographic area follows:
 
(dollars in thousands)
 
April 28,

2019
 
 
April 29,

2018
 
United States
 
$
28,078
 
 
 
9,452
 
China
 
 
9,670
 
 
 
9,221
 
Canada
 
 
2,196
 
 
 
2,349
 
Cayman Islands
 
 
64
 
 
 
206
 
 
 
$
40,008
 
 
 
21,228
 
Summary of Short-Term Investments by Geographic Area
A summary of our short-term investments by geographic area follows:
 
(dollars in thousands)
 
April 28,

2019
 
 
April 29,

2018
 
Canada
 
$
—
 
 
 
1,366
 
United States
 
 
—
 
 
 
1,085
 
 
 
$
—
 
 
 
2,451
 
Summary of Foreign Currency Exchange Gains (Losses) by Geographic Area
A summary of our foreign currency exchange (losses) gains by geographic area follows:
 
(dollars in thousands)
 
2019
 
 
2018
 
 
2017
 
China
 
$
—  
 
 
 
(298
)
 
 
111
 
Canada
 
 
2
 
 
 
(8
)
 
 
(120
)
Euro foreign exchange contract
 
 
(64
)
 
 
—
 
 
 
—
 
 
 
$
(62
)
 
 
(306
)
 
 
(9
)