Income Taxes - Income Tax Expense (Benefit), Continuing Operations, Income Tax Reconciliation (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Income Tax Disclosure [Abstract]
Income tax benefit at Federal statutory income tax rate	$ (3,172)	$ (710)
Increase (decrease) in income taxes resulting from:
State income tax benefit (expense), net of federal benefit	971	(17)
State research and development, investment credits	291	265
Non-deductible meals & entertainment	13	8
Non-deductible stock compensation expense	644	133
Non-deductible compensation under 162(m)	49	7
Prior period prepaid tax	0	276
Foreign withholding taxes	0	139
Foreign tax rate differential	106	(3)
Federal research and development credits	110	(55)
Uncertain tax positions	55	(99)
Provision to tax return adjustments	104	110
Change in valuation allowance	3	530
Goodwill impairment	1,157	0
Sale of KVH Media Group Entertainment Limited	0	(206)
Other	(13)	168
Income tax expense	$ 318	$ 546