Accrued Expenses and Other Long-Term Liabilities

12 Months Ended

Dec. 31, 2021

Payables and Accruals [Abstract]

Accrued Expenses and Other Long-Term Liabilities

10. Accrued Expenses and Other Long-Term Liabilities

Other accrued expenses consisted of the following as of December 31, 2021 and 2020:

	December 31, 2021		December 31, 2020
Accrued royalties	$	3,890	$	2,710
Contingent consideration		488		398
Upfront Medicare payment		-		2,066
Operating lease liability		1,041		1,027
Financing lease liability		79		177
Deferred revenue		40		54
Interest payable		120		-
Warrant liability		71		-
Accrued sales and marketing - diagnostics		47		51
Accrued lab costs - diagnostics		228		161
Accrued professional fees		932		854
Taxes payable		245		334
Unclaimed property		565		565
All others		1,452		1,398
Total other accrued expenses	$	9,198	$	9,795

Other long-term liabilities consisted of the following as of December 31, 2021 and 2020:

	December 31, 2021		December 31, 2020
Warrant liability	$	-	$	21
Uncertain tax positions		4,577		4,342
Deferred revenue		13		136
Other		58		138
Total other long-term liabilities	$	4,648	$	4,637