Subsequent Events (Details) - Revolving Credit Facility [Member]	Apr. 26, 2018 USD ($)	Mar. 31, 2018 USD ($)	Nov. 06, 2017 USD ($)
Subsequent Event [Line Items]
Line of credit facility, maximum borrowing capacity		$ 5,000,000	$ 10,000,000
Subsequent Event [Member]
Subsequent Event [Line Items]
Line of credit facility, maximum borrowing capacity	$ 5,000,000
Minimum [Member]
Subsequent Event [Line Items]
Liquidity ratio		1.50
Streamline Period [Member] | Subsequent Event [Member]
Subsequent Event [Line Items]
Line of credit interest rate	4.50%
Liquidity ratio	1.75
Streamline Period [Member] | Minimum [Member] | Subsequent Event [Member]
Subsequent Event [Line Items]
Line of credit interest rate	4.50%
Liquidity ratio	1.75
Non-Streamline Period [Member] | Subsequent Event [Member]
Subsequent Event [Line Items]
Interest rate added to prime rate	1.50%
Non-Streamline Period [Member] | Minimum [Member] | Subsequent Event [Member]
Subsequent Event [Line Items]
Line of credit interest rate	4.50%
Cash and Cash Equivalents [Member]
Subsequent Event [Line Items]
Minimum tangible net worth requirement		$ 1,500,000
Cash and Cash Equivalents [Member] | Minimum [Member]
Subsequent Event [Line Items]
Minimum tangible net worth requirement		$ 1,500,000