XML 41 R30.htm IDEA: XBRL DOCUMENT
v3.21.2

RESERVE FOR SALES RETURNS (Tables) | 6 Months Ended
--- | ---
Sep. 30, 2021
Reserve For Sales Returns |
SCHEDULE OF RESERVE FOR SALES RETURNS | Changes in the Company’s reserve for sales returns are presented in the following table: SCHEDULE OF RESERVE FOR SALES RETURNS
|  | Six Months Ended |
|  | September 30, |  |  | September 30, |
|  | 2021 |  |  | 2020 |
Reserve for sales returns at beginning of the year |  | $ | 960,000 |  |  | $ | 1,224,000 |
Provision for estimated sales returns |  |  | 2,110,222 |  |  |  | 2,306,668 |
Sales returns received |  |  | (1,206,491 | ) |  |  | (1,807,613 | )
Reserve for sales returns at end of the period |  | $ | 1,863,731 |  |  | $ | 1,723,055 |

X
- References No definition available. + Details
Name: | SMDM_DisclosureReserveForSalesReturnsAbstract
Namespace Prefix: | SMDM_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Schedule of reserve for sales returns [Table Text Block] + References No definition available. + Details
Name: | SMDM_ScheduleOfReserveForSalesReturnsTableTextBlock
Namespace Prefix: | SMDM_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration