Consolidated Balance Sheets - USD ($)	Dec. 31, 2017	Dec. 31, 2016
Current
Cash and cash equivalents	$ 6,912,138	$ 2,470,066
Accounts receivable (see Note 3)	2,105,471	3,008,153
Inventories (see Note 4)	4,686,852	3,786,093
Prepaid expenses	255,080	228,699
Total current assets	13,959,541	9,493,011
Property, equipment and leaseholds, net (see Note 5)	1,938,509	3,393,944
Patents (see Note 6)	79,452	95,890
Long term deposits (see Note 7)	18,531	26,163
Investment (Note 8)	13,414	122,480
Deferred tax asset (Note 11)	1,763,923	2,026,999
Total Assets	17,773,370	15,158,487
Current
Accounts payable and accrued liabilities	939,116	902,037
Deferred revenue	208,608	95,308
Income taxes payable	1,101,596	893,867
Short term line of credit (Note 9)	250,000	250,000
Current portion of long term debt (Note 10)	201,193	201,193
Total current liabilities	2,700,513	2,342,405
Long term debt (Note 10)	150,896	352,089
Total liabilities	2,851,409	2,694,494
Stockholders' Equity
Capital stock (see Note 14) Authorized 50,000,000 common shares with a par value of $0.001 each 1,000,000 preferred shares with a par value of $0.01 each Issued and outstanding: 11,597,991 (2016: 11,457,991) common shares	11,598	11,458
Capital in excess of par value	15,114,835	14,842,863
Other comprehensive loss	(656,093)	(1,087,208)
Accumulated earnings (deficit)	451,621	(1,303,120)
Total Stockholders' Equity	14,921,961	12,463,993
Total Liabilities and Stockholders' Equity	17,773,370	15,158,487
Commitments and Subsequent events (See Notes 16 and 17)

Sum of the carrying values as of the balance sheet date of obligations incurred through that date and due within one year (or the operating cycle, if longer), including liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received, taxes, interest, rent and utilities, accrued salaries and bonuses, payroll taxes and fringe benefits.

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- Definition

Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.