Accounts Receivable (Tables)

12 Months Ended

Dec. 31, 2019

Receivables [Abstract]

Schedule of accounts receivable

	December  31, 2019			December  31, 2018
Accounts receivable under normal 30 day terms	$	1,649,695		$	2,165,820
Financed contracts:
Current portion of long-term		1,086,820			866,494
Long-term, net of current portion		2,253,667			1,030,354
Total accounts receivable		4,990,182			4,062,668
Less allowance for doubtful accounts		(198,623	)		(165,840	)
Accounts receivable, net	$	4,791,559		$	3,896,828
Presented on the balance sheet as:
Accounts receivable, net	$	2,537,892		$	2,866,474
Long-term accounts receivable - financed contracts		2,253,667			1,030,354

Schedule of allowance for doubtful accounts

	December  31, 2019			December  31, 2018
Accounts receivable allowance, beginning of year	$	165,840		$	181,473
Provision adjustment		115,000			125,405
Write-off		(82,217	)		(141,038	)
Accounts receivable allowance, end of year	$	198,623		$	165,840