Notes Payable	3 Months Ended
Mar. 31, 2016
Debt Disclosure [Abstract]
Notes Payable	5. Notes Payable Revolving Credit Agreement On December 29, 2015, the Company entered into a Loan Agreement (the “Loan Agreement”) with Frost Bank (“Bank”). The Loan Agreement provides two separate revolving credit facilities to the Company. The first facility (“Facility A”) provides the Company with a $4.00 million revolving line of credit with a two-year term maturing December 29, 2017, subject to a maximum loan amount (the “Borrowing Base”) based on a formula related to the value of certain of the Company’s accounts, inventories and equipment totaling $3.46 million at March 31, 2016. Under Facility A, the Company may borrow, repay and reborrow, up to the Borrowing Base. Facility A also allows the issuance of standby letters of credit. As of March 31, 2016, we had no letters of credit outstanding. At March 31, 2016, the outstanding balance of Facility A is $2.00 million. The second facility (“Facility B”) provides the Company with a $4.50 million declining revolving line of credit. The Company may borrow, repay and reborrow from the line. The amount available to borrow under Facility B declines from the initial $4.50 million by $0.15 million each six months. Facility B’s maturity date is December 29, 2020 when all outstanding principal and unpaid accrued interest is due and payable of March 31, 2016, the outstanding balance is $4.50 million. Under the Loan Agreement, the interest rate on both facilities is LIBOR (0.63% at March 31, 2016) plus 2.75% per year. The Loan agreement also provides for usual and customary covenants and restrictions including that the borrower must maintain a fixed charge coverage ratio of no less than 1.25 to 1.00, and a ratio of consolidated total liabilities to consolidated net worth not to exceed 1.25. As of March 31, 2016, the Company was not in compliance with the fixed charge coverage ratio but subsequently obtained a waiver from the Bank, whereby, the Bank waived this non-compliance. As a condition to obtaining the waiver, the Company has agreed to maintain a minimum deposit balance of $1.00 million with the Bank, limit borrowings under the revolving line of credit to $1.00 million until such time the Company is in compliance and the interest rate for funds drawn on the line of credit will increase to LIBOR plus 4.00% per year. The Company had a total of $6.50 million of borrowings outstanding under the Bank Loan Agreement at March 31, 2016 and $5.54 million at December 31, 2015.

5. Notes Payable

Revolving Credit Agreement

On December 29, 2015, the Company entered into a Loan Agreement (the “Loan Agreement”) with Frost Bank (“Bank”). The Loan Agreement provides two separate revolving credit facilities to the Company. The first facility (“Facility A”) provides the Company with a $4.00 million revolving line of credit with a two-year term maturing December 29, 2017, subject to a maximum loan amount (the “Borrowing Base”) based on a formula related to the value of certain of the Company’s accounts, inventories and equipment totaling $3.46 million at March 31, 2016. Under Facility A, the Company may borrow, repay and reborrow, up to the Borrowing Base. Facility A also allows the issuance of standby letters of credit. As of March 31, 2016, we had no letters of credit outstanding. At March 31, 2016, the outstanding balance of Facility A is $2.00 million.

The second facility (“Facility B”) provides the Company with a $4.50 million declining revolving line of credit. The Company may borrow, repay and reborrow from the line. The amount available to borrow under Facility B declines from the initial $4.50 million by $0.15 million each six months. Facility B’s maturity date is December 29, 2020 when all outstanding principal and unpaid accrued interest is due and payable of March 31, 2016, the outstanding balance is $4.50 million.

Under the Loan Agreement, the interest rate on both facilities is LIBOR (0.63% at March 31, 2016) plus 2.75% per year. The Loan agreement also provides for usual and customary covenants and restrictions including that the borrower must maintain a fixed charge coverage ratio of no less than 1.25 to 1.00, and a ratio of consolidated total liabilities to consolidated net worth not to exceed 1.25. As of March 31, 2016, the Company was not in compliance with the fixed charge coverage ratio but subsequently obtained a waiver from the Bank, whereby, the Bank waived this non-compliance. As a condition to obtaining the waiver, the Company has agreed to maintain a minimum deposit balance of $1.00 million with the Bank, limit borrowings under the revolving line of credit to $1.00 million until such time the Company is in compliance and the interest rate for funds drawn on the line of credit will increase to LIBOR plus 4.00% per year.

The Company had a total of $6.50 million of borrowings outstanding under the Bank Loan Agreement at March 31, 2016 and $5.54 million at December 31, 2015.