Income Taxes - Additional Information (Detail)
$ in Thousands |
12 Months Ended |
|
Dec. 31, 2016
USD ($)
|
|---|
| Income Taxes Disclosure [Line Items] |
|
| Income tax receivable |
$ 2,300
|
| Accrued interest |
40
|
| Interest liability |
77
|
| Undistributed earnings |
$ 12,600
|
| Income tax examination description |
With few exceptions, as of December 31, 2016, we are no longer subject to U.S. federal, state or foreign examinations by tax authorities for years before 2013.
|
| Texas Temporary Margin Tax Credit [Member] |
|
| Income Taxes Disclosure [Line Items] |
|
| Tax credit carryforwards |
$ 1,217
|
| Tax credit carryforwards expiration date |
Dec. 31, 2026
|
| Federal [Member] |
|
| Income Taxes Disclosure [Line Items] |
|
| Net operating loss carryforwards |
$ 9,100
|
| Net operating loss carryforwards expiration date |
Dec. 31, 2036
|
| Federal [Member] | Research and Development Tax Credit Carryforward [Member] |
|
| Income Taxes Disclosure [Line Items] |
|
| Tax credit carryforwards |
$ 186
|
| Federal [Member] | Earliest Tax Year [Member] | Research and Development Tax Credit Carryforward [Member] |
|
| Income Taxes Disclosure [Line Items] |
|
| Tax credit carryforwards expiration date |
Dec. 31, 2034
|
| Federal [Member] | Latest Tax Year [Member] | Research and Development Tax Credit Carryforward [Member] |
|
| Income Taxes Disclosure [Line Items] |
|
| Tax credit carryforwards expiration date |
Dec. 31, 2036
|
| State [Member] |
|
| Income Taxes Disclosure [Line Items] |
|
| Net operating loss carryforwards |
$ 300
|
| State [Member] | Earliest Tax Year [Member] |
|
| Income Taxes Disclosure [Line Items] |
|
| Net operating loss carryforwards expiration date |
Dec. 31, 2025
|
| State [Member] | Latest Tax Year [Member] |
|
| Income Taxes Disclosure [Line Items] |
|
| Net operating loss carryforwards expiration date |
Dec. 31, 2036
|
| Minimum [Member] | Italian Income Tax [Member] |
|
| Income Taxes Disclosure [Line Items] |
|
| Audit adjustments tax period |
2009
|
| Maximum [Member] | Italian Income Tax [Member] |
|
| Income Taxes Disclosure [Line Items] |
|
| Audit adjustments tax period |
2013
|