CONSOLIDATED BALANCE SHEETS (USD $)	Mar. 31, 2012	Dec. 31, 2011
Assets
Cash and cash equivalents	$ 752,858	$ 506,903
Accounts receivable (see Note 3)	2,650,296	2,332,019
Inventories (see Note 4)	3,089,661	2,890,511
Prepaid expenses	146,889	135,361
Total	6,639,704	5,864,794
Property, equipment and leaseholds (see Note 5)	8,025,980	8,205,514
Patents (see Note 6)	209,196	208,206
Long term deposits (see Note 7)	7,874	7,733
Deferred tax asset	229,000	219,000
Total Assets	15,111,754	14,505,247
Liabilities
Accounts payable and accrued liabilities	570,508	514,890
Deferred revenue	312,537	312,392
Taxes payable	540,998	437,998
Line of credit (see Note 8)	725,000	650,000
Current portion of long term debt (see Note 9)	330,067	329,389
Total	2,479,110	2,244,669
Loans	1,653,644	1,647,603
Total liabilities	4,132,754	3,892,272
Capital stock 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 13,169,991 (2011: 13,169,991) common shares	13,170	13,170
Capital in excess of par value	15,896,705	15,864,348
Accumulated other comprehensive income	588,147	477,139
Deficit	(5,519,022)	(5,741,682)
Total Stockholders' Equity	10,978,000	10,612,975
Total Liabilities and Stockholders' Equity	$ 15,111,754	$ 14,505,247