Note 5 - PNC Credit Facility (Tables)

6 Months Ended

Jun. 30, 2017

Notes Tables

Schedule of Leverage Ratio [Table Text Block]

Fiscal Quarter Ending:	Maximum Leverage Ratio
June 30, 2017	4.50	:	1.00
September 30, 2017	4.50	:	1.00
December 31, 2017	7.00	:	1.00
March 31, 2018	5.50	:	1.00