BUSINESS SEGMENT

9 Months Ended

Sep. 30, 2018

7. BUSINESS SEGMENT

The Company does not operate in separate reportable segments. Shipments to international customers generally require a prepayment either by wire transfer or an irrevocable confirmed letter of credit. The Company does extend credit to international customers on some occasions depending upon certain criteria, including, but not limited to, the credit worthiness of the customer, the stability of the country, banking restrictions, and the size of the order. All transactions are in U.S. currency. Revenues by geography are as follows:


	Three Months Ended		Three Months Ended		Nine Months Ended		Nine Months Ended
	September 30, 2018		September 30, 2017		September 30, 2018		September 30, 2017
U.S. sales	$	8,747,696	$	8,358,847	$	21,665,039	$	20,361,847
North and South America sales (excluding U.S.)		803,654		1,900,892		2,605,591		3,728,452
Other international sales		311,922		152,297		740,436		891,534
Total sales	$	9,863,272	$	10,412,036	$	25,011,066	$	24,981,833

Long-lived assets by geography are as follows:


	September 30, 2018		December 31, 2017
Long-lived assets
U.S.	$	10,856,824	$	11,215,583
International		119,526		137,619
Total	$	10,976,350	$	11,353,202