Debt (Details Textual) - USD ($) |
1 Months Ended | 3 Months Ended | 12 Months Ended | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
Mar. 13, 2018 |
May 29, 2015 |
Mar. 31, 2018 |
Mar. 31, 2017 |
Dec. 31, 2017 |
Sep. 30, 2017 |
Jun. 30, 2017 |
Mar. 31, 2017 |
Jun. 01, 2017 |
Dec. 31, 2016 |
|
| Debt Instrument [Line Items] | ||||||||||
| Class of Warrant or Right, Number of Securities Called by Warrants or Rights | 210,000 | |||||||||
| Common Stock, Par or Stated Value Per Share | $ 0.001 | $ 0.001 | ||||||||
| Class of Warrant or Right, Exercise Price of Warrants or Rights | $ 55.138 | $ 4.70 | ||||||||
| Derivative Liability | $ 149,000 | $ 672,000 | $ 130,000 | $ 672,000 | $ 20,000 | |||||
| Amortization of Debt Discount (Premium) | $ 190,000 | 204,000 | ||||||||
| Debt Instrument, Term | 4 years | |||||||||
| Warrant Expiration Period | five-year warrant | |||||||||
| Common Stock Purchased By Warrants Issued | 75,000 | |||||||||
| Debt Instrument Prepayment Terms | is interest only until June 30, 2017, followed by monthly amortization payments of $225,000, with the remaining unpaid balance due on the maturity date | |||||||||
| Exit fee payment, Credit Agreement Description | The Company is required to pay an exit fee when the term loan is paid in full equal to the greater of 2% of the outstanding principal balance immediately prior to the final payment or $200,000 | amended in conjunction with the extinguishment of debt described below from the greater of 1% of the outstanding principal balance immediately prior to the final payment or $100,000. The interest rate at March 31, 2018 was 11.4375%. | ||||||||
| Revenues | $ 5,381,000 | 4,125,000 | $ 37,800,000 | $ 33,800,000 | $ 30,300,000 | $ 27,200,000 | ||||
| Bridge Loan [Member] | ||||||||||
| Debt Instrument [Line Items] | ||||||||||
| Debt Instrument, Face Amount | $ 2,000,000 | |||||||||
| Debt Instrument, Interest Rate Terms | The BLN bears interest at a rate per annum equal to the sum of (i) the greater of (x) LIBOR and (y) 1%, plus (ii) an applicable margin of 9.75%. | |||||||||
| Debt Instrument, Maturity Date | May 04, 2018 | |||||||||
| Upfront Fee Payable | $ 250,000 | |||||||||
| Fair Value, Inputs, Level 3 [Member] | ||||||||||
| Debt Instrument [Line Items] | ||||||||||
| Derivative Liability | 149,000 | $ 130,000 | ||||||||
| Warrant [Member] | Fair Value, Inputs, Level 3 [Member] | ||||||||||
| Debt Instrument [Line Items] | ||||||||||
| Derivative Liability | 2,700,000 | |||||||||
| Interest Expense [Member] | ||||||||||
| Debt Instrument [Line Items] | ||||||||||
| Amortization of Financing Costs | 57,000 | 64,000 | ||||||||
| Amortization of Debt Discount (Premium) | 134,000 | $ 140,000 | ||||||||
| Senior Secured Debt [Member] | ||||||||||
| Debt Instrument [Line Items] | ||||||||||
| Debt Instrument, Face Amount | $ 15,500,000 | |||||||||
| Debt Issuance Costs1 | $ 1,300,000 | |||||||||
| Debt Instrument, Interest Rate Terms | accrues interest at an annual rate equal to the greater of (a) one-month LIBOR or 1% plus (b) 9.75% | |||||||||
| Debt Instrument, Payment Terms | is interest only for the first 24 months, followed by monthly amortization payments of $225,000, with the remaining unpaid balance due on the maturity date | |||||||||
| Debt Instrument, Maturity Date, Description | The Company is required to pay an exit fee when the term loan is paid in full equal to the greater of 2% of the outstanding principal balance immediately prior to the final payment or $200,000, which was amended in conjunction with the extinguishment of debt described below from the greater of 1% of the outstanding principal balance immediately prior to the final payment or $100,000. | |||||||||
| Debt Instrument, Interest Rate During Period | 11.4375% | |||||||||
| Debt Instrument, Debt Default, Amount | $ 2,000,000 | |||||||||