Condensed Consolidated Balance Sheets (Parenthetical) - USD ($)	Mar. 31, 2016	Dec. 31, 2015
Undesignated stock, par value	$ 0.01	$ 0.01
Undesignated stock, shares authorized	20,000,000	20,000,000
Undesignated stock, shares designated	8,001,000	8,001,000
Series A 12% convertible preferred stock, shares authorized	5,000,000	5,000,000
Series A 12% convertible preferred stock, issued	1,377,500	1,377,500
Series A 12% convertible preferred stock, outstanding	1,377,500	1,377,500
Series A 12% convertible preferred stock, liquidation value	$ 1,377,500
Common stock, par value	$ 0.001	$ 0.001
Common stock, shares authorized	50,000,000	50,000,000
Common stock, issued	28,979,179	28,825,033
Common stock, outstanding	28,979,179	28,825,033
Series B-1 12% redeemable convertible preferred stock
Convertible preferred stock, shares authorized	900,000	900,000
Convertible preferred stock, shares issued	900,000	900,000
Convertible preferred stock, shares outstanding	900,000	900,000
Convertible preferred stock, redemption value	$ 1,800,000
Convertible preferred stock, liquidation value	$ 1,800,000
Series B-2 12% redeemable convertible preferred stock
Convertible preferred stock, shares authorized	2,100,000	2,100,000
Convertible preferred stock, shares issued	2,100,000	2,100,000
Convertible preferred stock, shares outstanding	2,100,000	2,100,000
Convertible preferred stock, redemption value	$ 4,200,000
Convertible preferred stock, liquidation value	$ 4,200,000
Series C super dividend convertible preferred stock
Convertible preferred stock, shares authorized	1,000	1,000
Convertible preferred stock, shares issued	176	176
Convertible preferred stock, shares outstanding	176	176
Convertible preferred stock, redemption value	$ 6,408,000
Convertible preferred stock, liquidation value	$ 1,760,000