Quarterly Financial Data

12 Months Ended

Dec. 31, 2019

Quarterly Financial Information Disclosure [Abstract]

Quarterly Financial Data

Quarterly data for the years ended December 31, 2019 and 2018 was as follows:

Year Ended December 31, 2019	1st Quarter			2nd Quarter			3rd Quarter			4th Quarter
Net sales	$	5,140,000		$	5,842,000		$	4,654,000		$	6,318,000
Gross profit		774,000			1,465,000			926,000			1,596,000
Net loss		(1,096,000	)		(488,000	)		(978,000	)		(2,459,000	)
Net loss per share:
Basic	$	(0.09	)	$	(0.04	)	$	(0.08	)	$	(0.21	)
Diluted	$	(0.09	)	$	(0.04	)	$	(0.08	)	$	(0.21	)
Year Ended December 31, 2018	1st Quarter			2nd Quarter			3rd Quarter			4th Quarter
Net sales	$	7,419,000		$	8,245,000		$	9,455,000		$	8,117,000
Gross profit		2,746,000			3,005,000			3,563,000			3,247,000
Net income		164,000			184,000			645,000			406,000
Net income per share:
Basic	$	0.01		$	0.02		$	0.05		$	0.04
Diluted	$	0.01		$	0.02		$	0.05		$	0.04