Subsequent Events (Details Textual) - USD ($) |
1 Months Ended | 3 Months Ended | 6 Months Ended | |||||
---|---|---|---|---|---|---|---|---|
Jul. 25, 2017 |
Jun. 30, 2017 |
Jun. 30, 2016 |
Jun. 30, 2017 |
Jun. 30, 2016 |
Jul. 05, 2017 |
Jun. 26, 2017 |
Mar. 15, 2015 |
|
Subsequent Event [Line Items] | ||||||||
Interest Expense, Debt | $ 300,000 | |||||||
NSC Notes [Member] | ||||||||
Subsequent Event [Line Items] | ||||||||
Debt Instrument, Face Amount | $ 3,000,000 | |||||||
Fortress Note [Member] | ||||||||
Subsequent Event [Line Items] | ||||||||
Long-term Debt | $ 3,500,000 | 3,500,000 | ||||||
Interest Expense, Debt | $ 16,000 | $ 43,000 | $ 74,000 | $ 72,000 | ||||
Debt Instrument, Interest Rate, Stated Percentage | 8.00% | |||||||
Subsequent Event [Member] | NSC Notes [Member] | ||||||||
Subsequent Event [Line Items] | ||||||||
Debt Instrument, Face Amount | $ 3,000,000 | |||||||
Interest Receivable | $ 2,000 | |||||||
Subsequent Event [Member] | Fortress Note [Member] | ||||||||
Subsequent Event [Line Items] | ||||||||
Long-term Debt | $ 3,500,000 | |||||||
Interest Expense, Debt | $ 100,000 | |||||||
Debt Instrument, Interest Rate, Stated Percentage | 2.00% |