Note 7 - Accrued Expenses and Other Long-term Liabilities - Other Long-term Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Acquisition-related liabilities	$ 3,700	$ 3,268
Income taxes	813	781
Other	130	166
Total	$ 4,643	$ 4,215

Carrying amount as of the balance sheet date of the unpaid sum of the known and estimated amounts payable to satisfy all domestic and foreign income tax obligations due beyond one year or the operating cycle, whichever is longer. Alternate captions include income taxes payable, noncurrent.

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Amount of liabilities due after one year or the normal operating cycle, if longer, assumed at the acquisition date.

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