Schedule of Valuation and Qualifying Accounts (Details) (USD $)	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013
Allowance for Doubtful Accounts
Balance at beginning of year	$ 150,000	$ 150,000
Additions Charged to Expenses	1,867	11,248
Write-offs	(1,867)	(11,248)
Balance at end of year	150,000	150,000
Inventory Valuation Reserve
Balance at beginning of year	564,000	550,000
Additions Charged to Expenses	134,271	121,380
Write-offs	(80,271)	(107,380)
Balance at end of year	$ 618,000	$ 564,000

Total of allowances and reserves, the valuation and qualifying accounts that are either netted against the cost of an asset (in order to value it at its carrying value) or that reflect a liability established to represent expected future costs.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

-Paragraph 4

-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 09

-Article 12

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