CAPITAL STOCK - Shares authorized, issued, and outstanding (Details)	Jun. 30, 2016 shares
Class of Stock [Line Items]
Common Stock- Reserved for conversion of Preferred Shares Authorized	2,000,000
Common Stock- Reserved for conversion of Preferred Shares Issued	969,834
Common Stock- Reserved for conversion of Preferred Shares Outstanding	969,834
6% Prior Convertible Cumulative Preferred Stock - Series A
Class of Stock [Line Items]
Preferred Shares Issued	100,000
Preferred Shares Outstanding	100,000
6% Prior Convertible Cumulative Preferred Stock - Series B
Class of Stock [Line Items]
Preferred Shares Issued	100,000
Preferred Shares Outstanding	100,000
5% Convertible Cumulative Preferred Stock - Series A
Class of Stock [Line Items]
Preferred Shares Issued	58,533
Preferred Shares Outstanding	58,533
5% Convertible Cumulative Preferred Stock - Series B
Class of Stock [Line Items]
Preferred Shares Issued	9,539
Preferred Shares Outstanding	9,539
6% Prior Cumulative Preferred, $5 par value
Class of Stock [Line Items]
Preferred Shares Authorized	240,000
5% Convertible Cumulative Preferred, $20 par value
Class of Stock [Line Items]
Preferred Shares Authorized	150,000