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Mining and Mineral Rights (Details)	Sep. 30, 2020 m²
Mineral Industries Disclosurees (Details) [Line Items]
Area of building	21,875

X

- References

No definition available.

+ Details

Name:	smpr_MiningandMineralRightsDetailsLineItems
Namespace Prefix:	smpr_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Area of land held.

+ References

No definition available.

+ Details

Name:	us-gaap_AreaOfLand
Namespace Prefix:	us-gaap_
Data Type:	num:areaItemType
Balance Type:	na
Period Type:	instant