STOCK PLANS, Employee Stock Purchase Plan ("ESPP") (Details)	3 Months Ended	6 Months Ended
	Jun. 30, 2018 USD ($) shares	Jun. 30, 2018 USD ($) $ / shares shares
Employee Stock Purchase Plan [Member]
Employee Stock Purchase Plan [Abstract]
Unrecognized compensation cost	$ 28,000	$ 28,000
Weighted average period to recognize the unrecognized compensation		6 months
Recognized compensation cost	$ 14,000	$ 28,000
Weighted average fair value at issuance date (in dollars per share) | $ / shares		$ 2.69
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions and Methodology [Abstract]
Risk free interest rate	1.61%	1.61%
Expected dividend yield	0.00%	0.00%
Expected life	1 year	1 year
Expected price volatility	12.50%	12.50%
2016 Amended Employee Stock Purchase Plan [Member]
Employee Stock Purchase Plan [Abstract]
Shares authorized under plan (in shares) | shares	281,216	281,216
Purchase price of stock in percentage for participation		85.00%
2016 Amended Employee Stock Purchase Plan [Member] | Minimum [Member]
Employee Stock Purchase Plan [Abstract]
Eligibility employment period required for plan participation		90 days
2016 Amended Employee Stock Purchase Plan [Member] | Maximum [Member]
Employee Stock Purchase Plan [Abstract]
Plan participation period		27 months
Percentage of employee compensation that can be withheld to purchase common stock		10.00%