CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) (USD $)	Mar. 31, 2015	Dec. 31, 2014
Current
Cash and cash equivalents	$ 776,934	$ 747,517
Accounts receivable (see Note 3)	3,114,825us-gaap_AccountsReceivableNetCurrent	2,322,373us-gaap_AccountsReceivableNetCurrent
Inventory (see Note 4)	3,446,651us-gaap_InventoryNet	3,467,438us-gaap_InventoryNet
Prepaid expenses	117,095us-gaap_PrepaidExpenseCurrent	123,511us-gaap_PrepaidExpenseCurrent
Total	7,455,505us-gaap_AssetsCurrent	6,660,839us-gaap_AssetsCurrent
Long Term
Property, plant and equipment (see Note 5)	4,319,449us-gaap_PropertyPlantAndEquipmentNet	4,764,900us-gaap_PropertyPlantAndEquipmentNet
Patents (see Note 6)	121,898us-gaap_FiniteLivedIntangibleAssetsNet	137,404us-gaap_FiniteLivedIntangibleAssetsNet
Long term deposits (see Note 7)	5,121us-gaap_DepositsAssetsNoncurrent	4,425us-gaap_DepositsAssetsNoncurrent
Deferred tax asset	2,458,518us-gaap_DeferredTaxAssetsNetNoncurrent	2,667,286us-gaap_DeferredTaxAssetsNetNoncurrent
Total Assets	14,360,491us-gaap_Assets	14,234,854us-gaap_Assets
Current
Accounts payable and accrued liabilities	799,275	815,141
Deferred revenue	40,843us-gaap_DeferredRevenueCurrent	44,593us-gaap_DeferredRevenueCurrent
Taxes payable	307,507us-gaap_TaxesPayableCurrent	140,842us-gaap_TaxesPayableCurrent
Line of credit (see Note 8)	775,000us-gaap_LineOfCredit	750,000us-gaap_LineOfCredit
Current portion of long term debt (see Note 9)	345,009us-gaap_LongTermDebtCurrent	385,214us-gaap_LongTermDebtCurrent
Total	2,267,634us-gaap_LiabilitiesCurrent	2,108,790us-gaap_LiabilitiesCurrent
Long Term
Loans	704,177us-gaap_LongTermLoansPayable	754,475us-gaap_LongTermLoansPayable
Total Liabilities	2,971,811us-gaap_Liabilities	2,863,265us-gaap_Liabilities
Stockholders' Equity
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, 2014: 13,169,991) common shares	13,170us-gaap_CommonStockValue	13,170us-gaap_CommonStockValue
Capital in excess of par value	16,244,716	16,227,121
Accumulated other comprehensive income (loss)	(772,321)	(267,552)
Deficit	(4,096,885)	(4,601,150)
Total Stockholders' Equity	11,388,680us-gaap_StockholdersEquity	11,371,589us-gaap_StockholdersEquity
Total Liabilities and Stockholders' Equity	$ 14,360,491	$ 14,234,854

Sum of the carrying values as of the balance sheet date of obligations incurred through that date and due within one year (or the operating cycle, if longer), including liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received, taxes, interest, rent and utilities, accrued salaries and bonuses, payroll taxes and fringe benefits.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant