Subsequent Events (Details) - Cadence Credit Facility [Member] - USD ($)		1 Months Ended	12 Months Ended
	Sep. 11, 2017	Oct. 31, 2018	Sep. 25, 2018
Subsequent Event [Line Items]
Loan Agreement, amount			$ 9,000,000
Maturity date	Dec. 31, 2020
Interest rate			0.25%
Interest rate description			All borrowings under the Cadence Credit Facility bear interest at a variable rate based upon the Company’s election of (i) 3.0% plus the base rate, which is the highest of the (a) Federal Funds Rate plus 0.5%, (b) the Cadence bank publicly-announced prime rate, and (c) LIBOR plus 1.0%, or (ii) LIBOR, with a 0.125% floor, plus 4.0%. Interest is due at the end of each calendar quarter if the Company selects to pay interest based on the base rate and at the end of each LIBOR period if it selects to pay interest based on LIBOR.
Minimum liquidity amount			$ 2,500,000
Payment of debt issuance costs			$ 197,000
Subsequent Event [Member]
Subsequent Event [Line Items]
Loan Agreement, amount		$ 17,000,000
Maturity date		Dec. 31, 2021
Interest rate		0.25%
Interest rate description		All borrowings under the Cadence Credit Facility, as amended, bear interest at a variable rate based upon the Company’s election of (i) 2.5% plus the base rate, which is the highest of the (a) Federal Funds Rate plus 0.5%, (b) the Cadence bank publicly-announced prime rate, and (c) LIBOR plus 1.0%, or (ii) LIBOR, with a 0.250% floor, plus 3.5%. Interest is due at the end of each calendar quarter if the Company selects to pay interest based on the base rate and at the end of each LIBOR period if it selects to pay interest based on LIBOR.
Minimum liquidity amount		$ 2,000,000
Maximum leverage ratio		5.35:1
Minimum fixed charge coverage ratio		1.25:1