Note 12 - Significant Concentrations - Rebate Credits (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021
Reductions to Partner Solutions cost of revenue	$ 327	$ 311
Selling and Marketing Expense [Member]
Reductions to Partner Solutions cost of revenue	$ 290	$ 373

The amount of expense offset under the rebates program.

No definition available.

Name:	bsqr_ExpenseOffsetUnderRebatesProgram
Namespace Prefix:	bsqr_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration