3. Stock Options (Details1)	3 Months Ended
	Jun. 30, 2013	Mar. 31, 2013	Jun. 30, 2012	Mar. 31, 2012
Number of Shares
Beginning Balance	1,182,500	1,032,500	1,040,000	1,003,000
Options granted	20,000	160,000	42,500	65,000
Options exercised, expired or forfeited	(226,000)	(10,000)		(28,000)
Options exercised			(5,000)
Options expired or forfeited			(20,000)
Ending Balance	976,500	1,182,500	1,057,500	1,040,000
Weighted Average Price per Share
Beginning Balance	0.28	0.29	0.30	0.31
Options granted	0.18	0.16	0.15	0.15
Options exercised, expired or forfeited	0.22	0.15		0.36
Options exercised			0.07
Options expired or forfeited			0.20
Ending Balance	0.29	0.28	0.29	0.30