Note 15 - Subsequent Events (Details Textual) |
1 Months Ended | ||||
|---|---|---|---|---|---|
|
Jan. 05, 2017
USD ($)
|
Dec. 31, 2016
USD ($)
|
Nov. 29, 2016
USD ($)
|
May 31, 2016
USD ($)
|
Dec. 03, 2013
USD ($)
|
|
| Operating Lease Obligation | $ 24,748,000 | $ 6,270,000 | |||
| Subsequent Event [Member] | |||||
| Operating Lease Obligation, Leases Settled, Number | 9 | ||||
| Operating Lease Obligation, Leases Settled, Amount | $ 3,200,000 | ||||
| Revolving Credit Facility [Member] | |||||
| Line of Credit Facility, Maximum Borrowing Capacity | $ 50,000,000 | ||||
| Line of Credit Facility, Current Borrowing Capacity | 50,000,000 | ||||
| Revolving Credit Facility [Member] | Subsequent Event [Member] | |||||
| Line of Credit Facility, Maximum Borrowing Capacity | $ 16,100,000 | ||||
| Sub-limit for Standby Letters of Credit [Member] | |||||
| Line of Credit Facility, Current Borrowing Capacity | $ 25,000,000 |