OTHER LIABILITIES: (Details Textual) - USD ($)	1 Months Ended		3 Months Ended	12 Months Ended
	May 31, 2017	Jun. 30, 2009	Jul. 31, 2017	Apr. 30, 2017
Other Liabilities [Line Items]
Incentive Received Award Agreement		$ 3,000,000
Pre Tax Gain Included Other Revenues				$ 1,496,000
Subsequent Event [Member]
Other Liabilities [Line Items]
Pre Tax Gain Included Other Revenues			$ 1,318,000
Pre Tax Gain Included Deferred Revenues			$ 302,000
Media Services [Member]
Other Liabilities [Line Items]
Award Agreement Objectives Description	The Award Agreement included certain performance requirements in terms of job retention, job creation and capital investment which, if not met by Palm Coast, entitled the State of Florida to obtain the return of a portion, or all, of the $3,000,000.
State of Florida [Member] | Subsequent Event [Member]
Other Liabilities [Line Items]
Other Liabilities	$ 1,763,000
Loss Contingency, Settlement Agreement, Terms	(1) $163,000 within 30 days after May 4, 2017 and (2) 40 quarterly payments of $40,000 each, without interest, on the first business day of each calendar quarter, with the first payment of $40,000 scheduled to be made on October 1, 2017 and the last payment of $40,000 scheduled to be made on July 1, 2027