CONSOLIDATED BALANCE SHEETS (USD $)	Jun. 30, 2013	Dec. 31, 2012
Assets
Cash and cash equivalents	$ 512,363	$ 361,867
Accounts receivable (Note 3)	2,739,690	2,199,359
Inventory (Note 4)	3,103,492	3,361,760
Prepaid expenses	228,403	127,009
Total	6,583,948	6,049,995
Property, equipment and leaseholds (Note 5)	6,328,869	7,185,730
Patents (Note 6)	180,093	200,512
Long term deposits (Note 7)	7,494	7,893
Deferred tax asset	292,111	292,111
Total Assets	13,392,515	13,736,241
Liabilities
Accounts payable and accrued liabilities	512,968	677,969
Deferred revenue	257,172	312,556
Taxes payable	(74,002)	45,998
Short term line of credit (Note 8)	1,400,000	1,205,000
Current portion of long term debt (Note 9)	304,660	318,644
Total	2,400,798	2,560,167
Long Term
Loans (Note 9)	1,246,536	1,407,406
Total Liabilities	3,647,334	3,967,573
Stockholders' Equity
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 (December 31, 2012: 13,169,991) common shares	13,170	13,170
Capital in excess of par value	16,054,547	16,006,798
Other comprehensive income	368,265	574,829
Deficit	(6,690,801)	(6,826,129)
Total Stockholders' Equity	9,745,181	9,768,668
Total Liabilities and Stockholders' Equity	13,392,515	13,736,241
Commitments and contingencies (Note 13)