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RESTRUCTURINGS - 2013 RESTRUCTURING (Details)	12 Months Ended
	Dec. 31, 2015 USD ($)	Dec. 31, 2013 USD ($)	Apr. 25, 2013 position
RESTRUCTURING
Restructuring charges	$ 1,306,000	$ 1,462,000
Proceeds from sales of property and equipment		1,196,000
April 2013 Restructuring
RESTRUCTURING
Number of positions eliminated, inception to date | position			20
Restructuring charges		1,370,000
Cash payments		1,085,000
April 2013 Restructuring | One-time termination benefits
RESTRUCTURING
Restructuring charges		624,000
Non-cash stock-based compensation expense		28,000
April 2013 Restructuring | Asset Write Downs
RESTRUCTURING
Restructuring charges		200,000
April 2013 Restructuring | Facility Related Charges
RESTRUCTURING
Restructuring charges		546,000
Proceeds from sales of property and equipment		$ 1,080,000

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- Definition

Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation.

+ References

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