XML 55 R44.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Shareholders' Equity (Details Narrative) - $ / shares |  |  |  | 12 Months Ended
--- | --- | --- | --- | ---
Aug. 01, 2017 | Nov. 06, 2016 | Aug. 10, 2016 | Mar. 31, 2018 | Mar. 31, 2017
Number of common stock equivalents to purchase shares of common stock |  |  |  | 2,330,000 | 1,970,000
Dilutive Potential Securities |  |  |  | 1,850,000 | 1,870,000
Fiscal 2017 [Member] |  |  |  |  |
Shares issued price per share |  |  | $ 0.24 |  |
Fiscal 2017 [Member] | Two Employees [Member] |  |  |  |  |
Number of shares issued |  | 36,000 |  |  |
Shares issued price per share |  | $ 0.33 |  |  |
Board of Directors [Member] | Fiscal 2018 [Member] |  |  |  |  |
Number of shares issued | 22,725 |  |  |  |
Shares issued price per share | $ 0.55 |  |  |  |
Board of Directors [Member] | Fiscal 2017 [Member] |  |  |  |  |
Number of shares issued |  |  | 41,668 |  |

X
- Definition Dilutive Potential Securities. + References No definition available. + Details
Name: | SMDM_DilutivePotentialSecurities
Namespace Prefix: | SMDM_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Per share or per unit amount of equity securities issued. + References No definition available. + Details
Name: | us-gaap_SharesIssuedPricePerShare
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of new stock issued during the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21463-112644 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(28)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_StockIssuedDuringPeriodSharesNewIssues
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of shares of stock issued attributable to transactions classified as other. + References No definition available. + Details
Name: | us-gaap_StockIssuedDuringPeriodSharesOther
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_AwardTypeAxis=SMDM_FiscalTwoThousandAndSeventeenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=SMDM_TwoEmployeesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_TitleOfIndividualAxis=SMDM_BoardOfDirectorsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=SMDM_FiscalTwoThousandAndEighteenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |