XML
45
R30.htm
IDEA: XBRL DOCUMENT
v3.10.0.1
Note 3 - Reserve for Sales Returns and Allowance (Tables)
12 Months Ended
Dec. 31, 2018
Notes Tables
Reserve for Sales Returns and Allowances [Table Text Block]
2018
2017
2016
Balance at the beginning of year
$
1,125
$
1,967
$
1,384
Provision for returns and allowances
4,908
2,789
4,445
Actual returns and allowances paid to customers
(4,140
)
(3,631
)
(3,862
)
Balance at the end of year
$
1,893
$
1,125
$
1,967
X
- Definition
Tabular disclosure of the reserve for sales returns and allowances
+ References
No definition available.
+ Details
Name:
sgc_ReserveForSalesReturnsAndAllowancesTableTextBlock
Namespace Prefix:
sgc_
Data Type:
nonnum:textBlockItemType
Balance Type:
na
Period Type:
duration
X
- References
No definition available.
+ Details
Name:
us-gaap_TableTextBlock
Namespace Prefix:
us-gaap_
Data Type:
xbrli:stringItemType
Balance Type:
na
Period Type:
duration