Consolidated Balance Sheets (USD $)	Jun. 30, 2012	Dec. 31, 2011
Assets
Cash and cash equivalents	$ 645,907	$ 506,903
Accounts receivable	2,355,423	2,332,019
Inventories	3,193,511	2,890,511
Prepaid expenses	202,968	135,361
Total	6,397,809	5,864,794
Property, equipment and leaseholds	7,683,743	8,205,514
Patents	201,967	208,206
Long term deposits	7,725	7,733
Deferred tax asset	229,000	219,000
Total Assets	14,520,244	14,505,247
Liabilities
Accounts payable and accrued liabilities	698,167	514,890
Deferred revenue	312,383	312,392
Taxes payable	290,998	437,998
Short term line of credit	875,000	650,000
Current portion of long term debt	308,111	329,389
Total	2,484,659	2,244,669
Loans	1,603,778	1,647,603
Total liabilities	4,088,437	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 (2010: 13,962,567) common shares	13,170	13,170
Capital in excess of par value	15,929,062	15,864,348
Other comprehensive income	474,593	477,139
Deficit	(5,985,018)	(5,741,682)
Total Stockholders' Equity	10,431,807	10,612,975
Total Liabilities and Stockholders' Equity	$ 14,520,244	$ 14,505,247