Consolidated Balance Sheets (Parenthetical) - $ / shares	Dec. 31, 2016	Dec. 31, 2015
Common stock, par value	$ 0.025	$ 0.025
Common stock, shares authorized	75,000,000	75,000,000
Common stock, shares issued	1,712,471	1,051,933
Common stock, shares outstanding	1,700,971	1,040,433
Treasury stock, shares	11,500	11,500
Preferred Series A stock
Preferred stock, par value	$ 0.001	$ 0.001
Preferred stock, shares authorized	51	51
Preferred stock, shares issued	51	51
Preferred stock, shares outstanding	51	51
Preferred Series B stock
Preferred stock, par value	$ 0.001	$ 0.001
Preferred stock, shares authorized	71,210	71,210
Preferred stock, shares issued	0	71,210
Preferred stock, shares outstanding	0	71,210
Preferred Series C stock
Preferred stock redeemable, cumulative, stated value	$ 100	$ 100
Preferred stock, par value	$ 0.001	$ 0.001
Preferred stock, shares authorized	67,361	67,361
Preferred stock, shares issued	35,750	0
Preferred stock, shares outstanding	35,750	0