BUSINESS, PRESENTATION, AND RECENT ACCOUNTING PRONOUNCEMENTS (Details Textual) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Jun. 30, 2017	Jan. 31, 2017	Jun. 30, 2016	Dec. 31, 2015
Restricted Cash and Cash Equivalents, Noncurrent	$ 5,002	$ 5,002		$ 5,001	$ 0
Adjustments for New Accounting Pronouncement [Member]
New Accounting Pronouncement or Change in Accounting Principle, Cumulative Effect of Change on Equity or Net Assets			$ 14
Adjustments for New Accounting Pronouncement [Member] | Additional Paid-in Capital [Member]
APIC Pool Not Tax Effected	$ 3,100