CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Accounts receivable, allowance for doubtful accounts	$ 171	$ 171
Inventories, reserve	513	513
Property and equipment, accumulated depreciation	697	655
Convertible debenture, debt discount	$ 345	$ 460
Common stock, par value	$ 0.0001	$ 0.0001
Common stock, shares authorized	9,000,000,000	9,000,000,000
Common stock, shares issued	14,275,797	13,886,738
Common stock, shares outstanding	14,275,797	13,886,738
Treasury stock, shares	150	150
Series A Preferred Stock
Preferred stock, par value	$ 1.00	$ 1.00
Preferred stock, dividend rate	8.00%	8.00%
Preferred stock, shares authorized	7,900,000	7,900,000
Preferred stock, shares issued	447,652	447,652
Preferred stock, shares outstanding	447,652	447,652
Series B Preferred Stock
Preferred stock, par value	$ 1.00	$ 1.00
Preferred stock, shares authorized	9,000,000	9,000,000
Preferred stock, shares issued	249,985	262,485
Preferred stock, shares outstanding	249,985	262,485