Note 2 - Inventory (Details Textual)	Dec. 31, 2018 USD ($)
Inventory Pledged as Collateral	$ 4,011,203

Carrying amount as of the balance sheet date of inventory that have been pledged as collateral for borrowings.

No definition available.

Name:	liqt_InventoryPledgedAsCollateral
Namespace Prefix:	liqt_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant