Consolidated Balance Sheets (Parenthetical) - USD ($)	Dec. 31, 2015	Dec. 31, 2014
Statement of Financial Position [Abstract]
Accumulated depreciation on property and equipment	$ 7,290,000	$ 4,908,000
Accumulated amortization on Patents, licenses and purchased technology	$ 869,000	$ 795,000
Preferred stock, par value	$ 0.001	$ 0.001
Preferred stock, shares authorized	2,000,000	2,000,000
Preferred stock, shares issued	330,873	328,925
Preferred stock, shares outstanding	330,873	328,925
Common stock, par value	$ 0.001	$ 0.001
Common stock, shares authorized	250,000,000	250,000,000
Common stock, shares issued	39,608,218	14,264,141
Common stock, shares outstanding	39,608,218	14,264,141