Debt (Revolving Credit Facility) (Details) - Revolving Credit Facility [Member] - Silicon Valley Bank [Member] - USD ($)	Mar. 31, 2017	Jun. 30, 2018
Debt Instrument [Line Items]
Percentage of Eligible Accounts Receivable	85.00%
Maximum [Member]
Debt Instrument [Line Items]
Borrowings Available On A Formula Basis	$ 10,000,000
Prime Rate [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	$ 40,000,000
Line of Credit Facility, Expiration Date	Mar. 31, 2020
Percent Reduction to Prime Interest Rate	0.25%
Percent of Eligible Inventory	50.00%
Maximum Eligible Inventory Value	$ 5,000,000
Early Termination Fee	1.00%
Covenant, Minimum Unused Availability	$ 10,000,000
Covenant, Adjusted EBITDA	$ 1,000,000
Interest Rate Increase For Noncompliance	5.00%
Line of Credit Facility, Commitment Fee Amount	$ 80,000
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage	0.00%
Number of Days for Collateral Examination	90 days
Line of Credit Facility, Fair Value of Amount Outstanding		$ 0