Stock Plan (Details) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Summary of Company's incentive stock options
Outstanding at the beginning of year, shares	55,000	60,000
Granted, shares
Exercised, shares
Expired/Forfeited, shares		(5,000)
Outstanding at end of year, shares	55,000	55,000
Options exercisable at year-end, shares	55,000	55,000
Options available for future grant
Outstanding at the beginning of year, weighted exercise price	$ 0.10	$ 0.26
Granted, weighted exercise price
Exercised, weighted exercise price
Expired/Forfeited, weighted exercise price		$ 2.00
Outstanding at end of year, weighted exercise price	$ 0.10	$ 0.10
Options exercisable at year-end, weighted exercise price	$ 0.10	$ 0.10
Weighted average fair value of options granted during the year