Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2021

Summary of Significant Accounting Policies

Schedule of Cash and Cash equivalents

	December 31,  2021			December 31,   2020
Cash and cash equivalents:
Cash deposits	$	2,388		$	16,628
Money market funds		29,876			4,822
Commercial paper		-			1,000
Total cash and cash equivalents	$	32,264		$	22,450
Short-term investments:
Bonds (held-to-maturity)	$	26,831		$	14,101
Commercial paper (held-to-maturity)		2,248			5,178
Allowance for credit losses		(20	)		(21	)
Total short-term investments	$	29,059		$	19,258
Long-term investments:
Bonds (held-to-maturity)	$	13,405		$	41,619
Equity securities (available for sale)		5,468			4,077
Mutual funds (available for sale)		559			563
Allowance for credit losses		(9	)		(52	)
Total long-term investments	$	19,423		$	46,207
Total cash, cash equivalents and short and long-term investments	$	80,746		$	87,915

Schedule of Inventories

	December 31,
	2021		2020
Raw materials	$	23,733	$	20,308
Work in process		9,571		11,339
Finished goods		17,474		18,651
Total inventories	$	50,778	$	50,298

Schedule of Property, Plant and Equipment

	December 31,				Useful
	2021		2020		Lives
Land	$	5,511	$	5,511		—
Buildings		35,303		35,114	30-40 yrs.
Machinery and equipment		192,403		178,287	3-15 yrs.
Total property, plant and equipment	$	233,217	$	218,912

Schedule of Current Accrued Liabilities

	December 31,
	2021		2020
Accrued payroll and related expenses	$	4,988	$	5,588
Accrued vacation		387		344
Other accrued liabilities		555		633
Total accrued liabilities	$	5,930	$	6,565

Schedule of geographic area

	Year ended December 31,
	2021		2020		2019
United States	$	96,925	$	85,682	$	98,496
China		9,113		6,088		5,858
Germany		8,593		9,712		7,996
Other countries less than 5% of revenues		50,378		46,109		42,716
Total	$	165,009	$	147,591	$	155,066

Schedule of product line Information

	Year ended December 31,
	2021		2020		2019
Fluid Delivery	$	77,753	$	75,228	$	72,117
Cardiovascular		56,919		48,524		54,799
Ophthalmology		6,332		4,700		7,124
Other		24,005		19,139		21,026
Total	$	165,009	$	147,591	$	155,066