CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) (Parenthetical) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Investments - related parties, original issue discount	$ 103	$ 45
Unamortized issuance discount	$ 408	$ 496
Preferred stock, par value (in dollars per share)	$ 0.00	$ 0.00
Preferred stock, authorized	151,224	151,224
Preferred stock, issued	0	0
Preferred stock, outstanding	0	0
Common stock, par value (in dollars per share)	$ 0.00	$ 0.00
Common stock, authorized	30,000,000	30,000,000
Common stock, issued	12,304,546	7,677,637
Common stock, outstanding	12,304,546	7,677,637
Series A Preferred Stock [Member]
Convertible redeemable preferred stock, par value (in dollars per share)	$ 0.00	$ 0.00
Convertible redeemable preferred stock, authorized	500,000	500,000
Convertible redeemable preferred stock, issued	0	0
Convertible redeemable preferred stock, outstanding	0	0
Preferred stock, authorized	500,000
Series B Preferred Stock [Member]
Convertible redeemable preferred stock, par value (in dollars per share)	$ 0.00	$ 0.00
Convertible redeemable preferred stock, authorized	500,000	500,000
Convertible redeemable preferred stock, issued	100,000	100,000
Convertible redeemable preferred stock, outstanding	100,000	0
Convertible redeemable preferred stock, stated value (in dollars per share)	$ 10	$ 10
Convertible redeemable preferred stock, liquidation preference	$ 1,000	$ 0
Preferred stock, authorized	500,000
Series C Preferred Stock [Member]
Convertible redeemable preferred stock, par value (in dollars per share)	$ 0.00	$ 0.00
Convertible redeemable preferred stock, authorized	460,000	460,000
Convertible redeemable preferred stock, issued	455,002	0
Convertible redeemable preferred stock, outstanding	455,002	0
Convertible redeemable preferred stock, stated value (in dollars per share)	$ 2.40	$ 2.40
Convertible redeemable preferred stock, liquidation preference	$ 1,092	$ 0
Preferred stock, authorized	460,000
Series D Preferred Stock [Member]
Convertible redeemable preferred stock, par value (in dollars per share)	$ 0.00	$ 0.00
Convertible redeemable preferred stock, authorized	378,776	378,776
Convertible redeemable preferred stock, issued	378,776	0
Convertible redeemable preferred stock, outstanding	378,776	0
Convertible redeemable preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Convertible redeemable preferred stock, stated value (in dollars per share)	$ 0.01	0.01
Preferred stock, authorized	378,776
Series E Preferred Stock [Member]
Convertible redeemable preferred stock, par value (in dollars per share)	$ 0.00	$ 0.00
Convertible redeemable preferred stock, authorized	10,000	10,000
Convertible redeemable preferred stock, issued	10,000	0
Convertible redeemable preferred stock, outstanding	10,000	0
Convertible redeemable preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Convertible redeemable preferred stock, stated value (in dollars per share)	$ 45	$ 45
Preferred stock, authorized	10,000