SHAREHOLDERS' EQUITY (Preferred Shares) (Details) - USD ($)	Mar. 04, 2019	Dec. 31, 2018	Dec. 31, 2017
Maximum authorized share repurchase amount		$ 7,500,000	$ 7,500
Series A Non-Voting Preferred Stock Member
Preferred Stock, Shares Authorized		125,000
Preferred stock Stated Value		$ 0.06
Non-voting preferred stock member
Preferred Stock, no par value		$ 0	$ 0
Preferred Stock, Shares Authorized		250,000
Preferred Stock Shares Issued		0	0
Voting Preferred Stock Member
Preferred Stock, no par value		$ 0	$ 0
Preferred Stock, Shares Authorized		250,000	250,000
Preferred Stock Shares Issued		0	0
Preferred Stock, Shares Outstanding		0	0
Subsequent Event [Member]
Maximum authorized share repurchase amount	$ 7,500,000