Schedule of Financial Assets and Liabilities Measured at Fair Value on Recurring Basis

The fair value of the Company’s financial assets and liabilities measured on a recurring basis were as follows:

	September 30, 2018											December 31, 2017
(U.S. Dollars, in thousands)	Level 1		Level 2			Level 3			Total			Total
Assets
Collective trust funds	$	—	$	—		$	—		$	—		$	100
Treasury securities		520		—			—			520			556
Equity warrants		—		—			—			—			311
Equity securities		—		219			—			219			2,457
Debt security		—		—			19,250			19,250			16,050
Total	$	520	$	219		$	19,250		$	19,989		$	19,474
Liabilities
Contingent consideration	$	—	$	—		$	(28,180	)	$	(28,180	)	$	—
Deferred compensation plan		—		(1,291	)		—			(1,291	)		(1,379	)
Total	$	—	$	(1,291	)	$	(28,180	)	$	(29,471	)	$	(1,379	)

Schedule of Reconciliation For Contingent Consideration Measured At Fair Value Using Significant Unobservable Inputs

The following table provides a reconciliation of the beginning and ending balances for the contingent consideration measured at fair value using significant unobservable inputs (Level 3):

(U.S. Dollars, in thousands)	2018
Contingent consideration at January 1	$	—
Acquisition date fair value		25,491
Increase in fair value recognized in operating expenses		2,689
Contingent consideration at September 30	$	28,180

Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]