Schedule of estimated useful lives of property, plant and equipment

The Company's property, plant, and equipment primarily consist of buildings, land, assembly equipment, molding machines, molds, office equipment, furniture, and fixtures. Depreciation and amortization are calculated using the straight-line method over the following useful lives:


Production equipment		3 to 13 years
Office furniture and equipment		3 to 10 years
Buildings		39 years
Building improvements		15 years

Schedule of disaggregated information of revenue recognized from contracts with customers and licensing fees recognized

Disaggregated information of revenue recognized from contracts with customers and licensing fees recognized are as follows:


	For the three months ended June 30, 2024:
			Blood						Total
			Collection		EasyPoint^®		Other		Product
Geographic Segment	Syringes		Products		Needles		Products		Sales
U.S. sales	$	4,631,773		333,389		42,561		5,848	$	5,013,571
North and South America sales (excluding U.S.)		601,000		—		59,040		6,240		666,280
Other international sales		256,133		400		87,680		5,300		349,513
Total	$	5,488,906	$	333,789	$	189,281	$	17,388	$	6,029,364


	For the three months ended June 30, 2023:
			Blood						Total
			Collection		EasyPoint^®		Other		Product
Geographic Segment	Syringes		Products		Needles		Products		Sales
U.S. sales	$	5,780,080	$	346,297	$	1,165,634	$	8,665		7,300,676
North and South America sales (excluding U.S.)		210,232		—		—		—		210,232
Other international sales		366,312		1,748		87,612		4,700		460,372
Total	$	6,356,624	$	348,045	$	1,253,246	$	13,365	$	7,971,280


	For the six months ended June 30, 2024:
			Blood
			Collection		EasyPoint^®		Other			Total
Geographic Segment	Syringes		Products		Needles		Products			Revenue
U.S. sales	$	10,185,082		700,998		755,432		13,226	$	11,654,738
North and South America sales (excluding U.S.)		755,537		96		59,040		6,240		820,913
Other international revenue		828,612		143,860		174,704		5,900		1,153,076
Total	$	11,769,231	$	844,954	$	989,176	$	25,366	$	13,628,727


	For the six months ended June 30, 2023:
			Blood						Total
			Collection		EasyPoint^®		Other		Product
Geographic Segment	Syringes		Products		Needles		Products		Sales
U.S. sales	$	10,583,166	$	744,673	$	1,378,121	$	18,164	$	12,724,124
North and South America sales (excluding U.S.)		4,771,512		—		—		212,040		4,983,552
Other international sales		871,854		213,948		174,204		4,700		1,264,706
Total	$	16,226,532	$	958,621	$	1,552,325	$	234,904	$	18,972,382

Schedule of earnings per share

The potential dilution, if any, is shown on the following schedule:


	Three Months Ended		Three Months Ended		Six Months Ended		Six Months Ended
	June 30, 2024		June 30, 2023		June 30, 2024		June 30, 2023
Net loss	$	(14,164,640)	$	(3,868,568)	$	(13,735,256)	$	(2,877,596)
Preferred stock dividend requirements		(57,611)		(58,111)		(115,222)		(116,222)
Loss applicable to common shareholders	$	(14,222,251)	$	(3,926,679)	$	(13,850,478)	$	(2,993,818)
Average common shares outstanding		29,937,159		29,937,159		29,937,159		29,937,159
Average common and common equivalent shares outstanding — diluted		29,937,159		30,169,604		29,937,159		30,169,604
Basic loss per share	$	(0.48)	$	(0.13)	$	(0.46)	$	(0.10)
Diluted loss per share	$	(0.48)	$	(0.13)	$	(0.46)	$	(0.10)