Amendment of Loan and Security Agreement (Details) - Loan And Security Agreement	Jun. 17, 2016 USD ($)
Revolving Credit Facility
Debt Instrument [Line Items]
Commitment fees	$ 64,000
Term Loan
Debt Instrument [Line Items]
Increase in term loans, principal amount	$ 3,333,334
Interest rate	7.00%
Ratio of indebtedness to net capital	1.25
Collateral account balance, covenant compliance amount	$ 50,000,000
Covenant compliance, deposit account, percent of account balances	50.00%
Final payment of existing term loans	$ 1,000,000
Amendment fee paid	25,000
Final payment on existing term loans, future	1,350,000
Termination fee	$ 200,000
Term Loan | Prime Rate
Debt Instrument [Line Items]
Basis spread on variable rate	3.25%