4. Accounts Receivable (Tables)

12 Months Ended

Mar. 31, 2019

Receivables [Abstract]

Accounts receivable

	March 31,
	2019			2018
Accounts receivable	$	3,948,000		$	2,829,000
Less: allowance for doubtful accounts		(24,000	)		(17,000	)
Less: discounts, rebates, distributor fees and returns		(443,000	)		(1,275,000	)
	$	3,481,000		$	1,537,000