STATEMENTS OF INCOME (USD $)	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013
CONDENSED STATEMENTS OF INCOME
NET SALES	$ 18,489,837us-gaap_SalesRevenueGoodsNet	$ 17,491,408us-gaap_SalesRevenueGoodsNet
COST OF GOODS SOLD	11,786,608us-gaap_CostOfGoodsSold	10,553,553us-gaap_CostOfGoodsSold
GROSS PROFIT	6,703,229us-gaap_GrossProfit	6,937,855us-gaap_GrossProfit
SELLING, GENERAL AND ADMINISTRATIVE EXPENSES	5,124,764	5,368,400
RESEARCH AND DEVELOPMENT EXPENSES	664,999us-gaap_ResearchAndDevelopmentExpense	649,325us-gaap_ResearchAndDevelopmentExpense
OPERATING EXPENSES	5,789,763us-gaap_OperatingExpenses	6,017,725us-gaap_OperatingExpenses
INCOME FROM OPERATIONS	913,466us-gaap_OperatingIncomeLoss	920,130us-gaap_OperatingIncomeLoss
OTHER	5,304us-gaap_InvestmentIncomeInterest	7,043us-gaap_InvestmentIncomeInterest
INCOME BEFORE INCOME TAXES	918,770	927,173
FEDERAL AND STATE INCOME TAXES (Note 2)	270,000us-gaap_IncomeTaxExpenseBenefit	245,000us-gaap_IncomeTaxExpenseBenefit
NET INCOME	$ 648,770us-gaap_NetIncomeLoss	$ 682,173us-gaap_NetIncomeLoss
EARNINGS PER COMMON SHARE:
Basic (in dollars per share)	$ 0.32us-gaap_EarningsPerShareBasic	$ 0.34us-gaap_EarningsPerShareBasic
Diluted (in dollars per share)	$ 0.32us-gaap_EarningsPerShareDiluted	$ 0.34us-gaap_EarningsPerShareDiluted
WEIGHTED AVERAGE COMMON SHARES:
Basic (in shares)	2,017,144	2,006,843
Diluted (in shares)	2,018,334	2,010,659

Total costs related to goods produced and sold during the reporting period.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 2

-Article 5

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.2(a))

-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688