Investments (Tables)

6 Months Ended

Jun. 30, 2022

Investments

Schedule of Marketable securities

Below is a summary of the amortized cost and estimated market values of the Company’s marketable securities as of June 30, 2022, and December 31, 2021.

	June 30, 2022				December 31, 2021
	Amortized		Market		Amortized		Market
	Cost		Value		Cost		Value
	(Dollars in thousands)
Municipal bonds:
Current	$	702	$	703	$	219	$	223
Due from one through five years		5,224		5,257		6,503		6,805
Due from six through ten years		2,505		2,595		2,479		2,790
Due from eleven through twenty years		799		761		1,014		1,102
Total	$	9,230	$	9,316	$	10,215	$	10,920

Schedule of Unrealized gains and losses on marketable securities

The unrealized gains and losses on marketable securities at June 30, 2022, and at December 31, 2021, were as follows:

	June 30, 2022				December 31, 2021
	Unrealized		Unrealized		Unrealized		Unrealized
	Gains		Losses		Gains		Losses
	(Dollars in thousands)
Municipal bonds	$	170	$	(84)	$	705	$	—