Consolidated Balance Sheets - USD ($)	Dec. 31, 2020	Dec. 31, 2019
Current
Cash and cash equivalents	$ 3,472,776	$ 3,634,670
Term deposits	1,000,000
Accounts receivable (Note 4)	5,889,813	4,470,215
Inventories (Note 5)	8,372,476	9,182,786
Prepaid expenses	302,447	218,638
Total current assets	19,037,512	17,506,309
Property, equipment and leaseholds, net (Note 6)	5,142,041	4,005,676
Patents (Note 7)	30,137	46,576
Right of use assets (Note 3)	483,113	789,205
Intangible assets (Note 8)	2,776,000	2,952,000
Long term deposits (Note 9)	8,540	30,630
Investments (Note 10)	4,776,167	1,915,585
Goodwill (Note 8)	2,534,275	2,534,275
Restricted cash (Note 10e)		1,000,000
Deferred tax asset (Note 14)	299,603	1,600,161
Total Assets	35,087,388	32,380,417
Current
Accounts payable	558,105	636,260
Accrued liabilities	1,225,804	181,234
Deferred revenue	314,277	213,221
Income taxes payable	2,540,348	1,770,105
Short term line of credit (Note 11)	2,116,073	2,389,982
Current portion of lease liability (Note 3)	287,900	405,670
Current portion of long term debt (Note 12)	848,794	1,196,722
Total current liabilities	7,891,301	6,793,194
Lease liability (Note 3)	195,213	383,535
Convertible note payable (Note 13)		500,000
Deferred income tax liability (Note 14)	233,751	1,058,641
Long term debt (Note 12)	2,998,844	3,183,671
Total Liabilities	11,319,109	11,919,041
Stockholders' Equity
Capital stock (Note 17) 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: 12,260,545 (2019: 12,215,545) common shares	12,261	12,216
Capital in excess of par value	16,633,190	16,437,473
Other comprehensive loss	(872,121)	(994,610)
Accumulated earnings	5,433,198	2,456,148
Total stockholders' equity - controlling interest	21,206,528	17,911,227
Non-controlling interests (Note 18)	2,561,751	2,550,149
Total Stockholders' Equity	23,768,279	20,461,376
Total Liabilities and Stockholders' Equity	$ 35,087,388	$ 32,380,417