v3.19.2
Supplier Concentration (Details) - Supplier Concentration Risk [Member] - Vendors
6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Supplier Concentration (Textual)
Number of vendors
2
2
Purchases from vendors
51.00%
64.00%
X
- Definition
Credit risk and concentrations textual abstract.
+ References
No definition available.
+ Details
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X
- Definition
Number of vendors.
+ References
No definition available.
+ Details
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gnln_NumberOfVendors
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Period Type:
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X
- References
No definition available.
+ Details
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Period Type:
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X
- Details
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Balance Type:
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