Condensed Consolidated Balance Sheets (Parenthetical) (USD $)	Sep. 30, 2012	Dec. 31, 2011
Preferred stock, par value	$ 0.001	$ 0.001
Preferred stock, shares authorized	1,000,000	1,000,000
Common stock, par value	$ 0.004	$ 0.004
Common stock, shares authorized	40,000,000	40,000,000
Common stock, shares issued	13,767,192	13,701,273
Treasury stock, shares	86,000	86,000
Series A Convertible Preferred Stock [Member]
Preferred stock, shares issued	95,500
Preferred stock, shares outstanding	95,500
Preferred stock, liquidation value	$ 10,459,943
Series A Exchangeable Preferred Stock [Member]
Preferred stock, shares issued	54,500
Preferred stock, liquidation value	$ 6,006,280