Debt	3 Months Ended
Mar. 31, 2018
Debt [Abstract]
Debt	Note F – Debt On April 3, 2017, the Company signed an amended and restated loan agreement (the "Restated Loan Agreement") with People's United Bank that included a $31 million term portion and a $10 million revolving credit portion. Proceeds of the loan were used to repay the remaining outstanding term loan of the Company (approximately $1,429,000) and to acquire 100% of the common stock of Velvac Holdings, Inc. The term portion of the loan requires quarterly principal payments of $387,500 for a two-year period beginning July 3, 2017. The repayment amount then increases to $775,000 per quarter beginning July 1, 2019. The term loan is a five-year loan with the remaining balance due on March 1, 2022. The revolving credit portion has a quarterly commitment fee ranging from 0.2% to 0.375% based on operating results. The revolving credit portion has a maturity date of April 1, 2022. On April 3, 2017, the Company borrowed approximately $6.6 million on the revolving credit facility. The Company subsequently paid off $1.6 million during 2017 and an additional $4 million during the first 3 months of 2018 on the revolving credit facility leaving a balance on the credit of $1 million as of March 31, 2018 The interest rates on the term and revolving credit portion of the Restated Loan Agreement vary. The interest rates may vary based on the LIBOR rate plus a margin spread of 1.75% to 2.50%. The margin spread is based on operating results calculated on a rolling-four-quarter basis. The Company may also borrow funds at the lender's prime rate. On March 31, 2018, the interest rate for one half ($14.9 million) of the term portion was 3.44%, using a 1 month LIBOR rate and 3.41% on the remaining balance ($14.9 million) of the term loan based on a 3 month LIBOR rate. The interest rate on the $1 million of the revolving credit portion was 4.0%, the bank's prime rate. The Company's loan covenants under the Restated Loan Agreement require the Company to maintain a consolidated minimum debt service coverage ratio of at least 1.1 to 1 for periods through December 31, 2018 and 1.2 to 1 thereafter to be tested quarterly on a twelve-month trailing basis. In addition, the Company will be required to show a maximum total leverage ratio of 4.0x for periods through December 31, 2018, 3.5x for the period January 1, 2019 through December 31, 2019, 3.25x for the period January 1, 2020 through December 31, 2020 and 3.0x thereafter. The Company was in compliance with all covenants in 2017 and 2018. On April 4, 2017, the Company entered into an interest rate swap contract with the lender with an original notational amount of $15,500,000, which is equal to 50% of the outstanding balance of the term loan on that date. The notational amount will decrease on a quarterly basis beginning July 3, 2017 following the principal repayment schedule of the term loan. The Company has a fixed interest rate of 1.92% on the swap contract and will pay the difference between the fixed rate and LIBOR when LIBOR is below 1.92% and will receive interest when the LIBOR rate exceeds 1.92%.

Note F – Debt

On April 3, 2017, the Company signed an amended and restated loan agreement (the "Restated Loan Agreement") with People's United Bank that included a $31 million term portion and a $10 million revolving credit portion. Proceeds of the loan were used to repay the remaining outstanding term loan of the Company (approximately $1,429,000) and to acquire 100% of the common stock of Velvac Holdings, Inc. The term portion of the loan requires quarterly principal payments of $387,500 for a two-year period beginning July 3, 2017. The repayment amount then increases to $775,000 per quarter beginning July 1, 2019. The term loan is a five-year loan with the remaining balance due on March 1, 2022. The revolving credit portion has a quarterly commitment fee ranging from 0.2% to 0.375% based on operating results. The revolving credit portion has a maturity date of April 1, 2022. On April 3, 2017, the Company borrowed approximately $6.6 million on the revolving credit facility. The Company subsequently paid off $1.6 million during 2017 and an additional $4 million during the first 3 months of 2018 on the revolving credit facility leaving a balance on the credit of $1 million as of March 31, 2018

The interest rates on the term and revolving credit portion of the Restated Loan Agreement vary. The interest rates may vary based on the LIBOR rate plus a margin spread of 1.75% to 2.50%. The margin spread is based on operating results calculated on a rolling-four-quarter basis. The Company may also borrow funds at the lender's prime rate. On March 31, 2018, the interest rate for one half ($14.9 million) of the term portion was 3.44%, using a 1 month LIBOR rate and 3.41% on the remaining balance ($14.9 million) of the term loan based on a 3 month LIBOR rate. The interest rate on the $1 million of the revolving credit portion was 4.0%, the bank's prime rate.

The Company's loan covenants under the Restated Loan Agreement require the Company to maintain a consolidated minimum debt service coverage ratio of at least 1.1 to 1 for periods through December 31, 2018 and 1.2 to 1 thereafter to be tested quarterly on a twelve-month trailing basis. In addition, the Company will be required to show a maximum total leverage ratio of 4.0x for periods through December 31, 2018, 3.5x for the period January 1, 2019 through December 31, 2019, 3.25x for the period January 1, 2020 through December 31, 2020 and 3.0x thereafter. The Company was in compliance with all covenants in 2017 and 2018.

On April 4, 2017, the Company entered into an interest rate swap contract with the lender with an original notational amount of $15,500,000, which is equal to 50% of the outstanding balance of the term loan on that date. The notational amount will decrease on a quarterly basis beginning July 3, 2017 following the principal repayment schedule of the term loan. The Company has a fixed interest rate of 1.92% on the swap contract and will pay the difference between the fixed rate and LIBOR when LIBOR is below 1.92% and will receive interest when the LIBOR rate exceeds 1.92%.