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Condensed Statements of Operations (Unaudited) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Condensed Statements of Operations [Abstract]
NET SALES	$ 4,361,312	$ 4,141,092	$ 12,601,843	$ 12,073,724
COST OF GOODS SOLD	2,681,509	2,474,188	7,601,207	7,093,266
GROSS PROFIT	1,679,803	1,666,904	5,000,636	4,980,458
SELLING, GENERAL AND ADMINISTRATIVE EXPENSES	1,254,016	1,086,577	3,865,352	3,409,441
RESEARCH AND DEVELOPMENT EXPENSES	129,541	163,420	366,940	528,622
INCOME FROM OPERATIONS	296,246	416,907	768,344	1,042,395
INTEREST INCOME	4,028	6,267	13,371	13,672
INCOME BEFORE INCOME TAXES	300,274	423,174	781,715	1,056,067
INCOME TAX EXPENSE	85,597	135,831	220,150	277,111
NET INCOME	$ 214,677	$ 287,343	$ 561,565	$ 778,956
EARNINGS PER COMMON SHARE:
Basic	$ 0.11	$ 0.15	$ 0.28	$ 0.40
Diluted	$ 0.11	$ 0.15	$ 0.28	$ 0.39
WEIGHTED AVERAGE COMMON SHARES OUTSTANDING :
Basic	1,983,613	1,974,162	1,981,028	1,971,248
Diluted	1,987,945	1,975,882	1,985,263	1,972,351

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Namespace Prefix:	us-gaap
Data Type:	xbrli:stringItemType
Balance Type:	na
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X

- Definition

Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 260

-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257



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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 260

-SubTopic 10

-Section 45

-Paragraph 10

-URI http://asc.fasb.org/extlink&oid=6920599&loc=d3e1448-109256



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 128

-Paragraph 171

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Weighted-Average Number of Common Shares Outstanding

-URI http://asc.fasb.org/extlink&oid=6528421



Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 128

-Paragraph 40

-Subparagraph a

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



Reference 6: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 128

-Paragraph 8

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



Reference 7: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Emerging Issues Task Force (EITF)

-Number 07-4

-Paragraph 4

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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Namespace Prefix:	us-gaap
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration