Note 8 - Notes Payable and Capital Leases (Tables)

12 Months Ended

Dec. 31, 2017

Notes Tables

Schedule of Long-term Debt Instruments [Table Text Block]

	Dec. 31, 201 7			Dec. 31, 201 6
Mezzanine Note Payable with BMO Private Equity, balance due January 18, 2018, interest at 11.50% (effective rate of 15.56%)	$	-		$	5,000,000
Less: Remaining debt discount to be amortized					(113,000	)
Loan with Officer, payable on receipt, interest at 6.25%, balance paid January 2017, S/T		-			180,000
Mortgage Loan with BMO Harris, payable in monthly installments of $7,778 plus interest at prime (3.75%) plus a variable rate (based on loan covenants) of 0.75% (4.5%) at December 31, 2016 (amortized over 25 years)		-			1,711,000
Promissory Note with Clever Container shareholder(s) due 2018 L/T		-			81,000
Promissory Note from CTI to Clever Container shareholder S/T		-			45,000
Promissory Note with John Schwan due 2018 L/T		-			220,000
Term Loan with BMO Harris, payable in monthly installments of $22,323 beginning April 2012 plus interest at prime (3.75%) plus a variable rate (based on loan covenants) of 0.75% (4.5%) at December 31, 2016, (amortized over 5 years), balance due March 30, 2017.		-			67,000
Capital Lease with First American Equipment Finance, payable in monthly installments of $2,890 (amortized over 5 years).		3,000			36,000
Capital Lease with Wells Fargo, payable in monthly installments of $367 (amortized over 5 years).		2,000			6,000
Capital Lease with Wells Fargo, payable in monthly installments of $550 (amortized over 3 years).		-			3,000
Subordinated Notes (Officer ) due on demand, interest at 9% (see Notes 9, 12).		-			5,000
Subordinated Notes (Officer ) due on demand, interest at 8% (see Notes 9, 12).		-			802,000
Subordinated Notes (Officer ) due on demand, interest at prime (3.75%) plus 2% (5.75%) at December 31, 2016 (see Note 9).		-			609,000
Subordinated Notes (Officers) due on demand, interest at 4% , which consolidated prior Subordinated Notes (Officers)		1,507,000			-
Notes Payable (Affiliates) d ue 2015, interest at prime (3.25%) plus 0.25% (3.5%) at December 31, 2017 (see Note 12) (Related Party).		32,000			27,000
Promissory Note with Merrick Company due on demand, interest at 4.25% (Related Party).		76,000			83,000
Promissory Note with Schwan Leasing due on demand, interest at 4.25% (Related Party).		60,000			70,000
Notes Payable (Affiliate s) due 2021, interest at 11.75% (see Note 12) (Related Party).		41,000			47,000
Term Loan with PNC, payable in monthly installments of $100,000 amortized over 5 years, interest at 8.25%, balance due December 2022, which uses balloons and related equipment as collateral		6,000,000			-
Total long-term debt		7,721,000			8,879,000
Less current portion		(1,247,000	)		(1,938,000	)
Total Long-term debt, net of current portion	$	6,474,000		$	6,941,000

Schedule of Leverage Ratios [Table Text Block]

Fiscal Quarter Ratio
December 31, 2017	4.75	to	1.00
March 31, 2018	4.50	to	1.00
June 30, 2018	4.25	to	1.00
September 30, 2018	3.75	to	1.00
December 31, 2018	3.50	to	1.00
March 31, 2019	3.25	to	1.00
June 30, 2019	3.00	to	1.00
September 30, 2019 and thereafter	2.75	to	1.00