Consolidated Balance Sheets (USD $)	Dec. 31, 2013	Dec. 31, 2012
Assets
Cash and cash equivalents	$ 568,087	$ 361,867
Accounts receivable (see Note 3)	2,012,115	2,199,359
Inventories (see Note 4)	3,061,536	3,361,760
Prepaid expenses	126,952	127,009
Total current assets	5,768,690	6,049,995
Property, equipment and leaseholds, net (see Note 5)	5,831,123	7,185,730
Patents (see Note 6)	168,868	200,512
Long term deposits (see Note 7)	4,781	7,893
Deferred tax asset (see Note 10)	2,700,506	292,111
Total Assets	14,473,968	13,736,241
Liabilities
Accounts payable and accrued liabilities	570,476	677,969
Deferred revenue	13,550	312,556
Income taxes payable	(281,202)	45,998
Short term line of credit (Note 8)	1,400,000	1,205,000
Current portion of long term debt (see Note 9)	304,556	318,644
Total current liabilities	2,007,380	2,560,167
Long term debt (see Note 9)	993,274	1,407,406
Total liabilities	3,000,654	3,967,573
Stockholders' Equity
Capital stock (see Note 13) 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 (2012: 13,169,991) common shares	13,170	13,170
Capital in excess of par value	16,135,953	16,006,798
Other comprehensive income	328,686	574,829
Accumulated Deficit	(5,004,495)	(6,826,129)
Total Stockholders' Equity	11,473,314	9,768,668
Total Liabilities and Stockholders' Equity	$ 14,473,968	$ 13,736,241