Income Taxes (Tables)
 12 Months Ended
Dec. 31, 2020
Income Tax Disclosure [Abstract]  
Schedule of Income (Loss) Before Income Tax Expense
Income (loss) before income tax expense was attributable to the following jurisdictions (in thousands):
20202019
United States$(11,810)$(8,799)
Foreign1,206 707 
Total$(10,604)$(8,092)
Schedule of Provision (Benefit) for Income Taxes
The provision (benefit) for income taxes for the years ended December 31, 2020 and 2019, was comprised of the following (in thousands):
20202019
Current:
United States Federal$— $— 
State31 35 
Foreign700 850 
Total current provision for income taxes731 885 
Deferred:
United States Federal10 24 
State126 61 
Foreign90 (41)
Net deferred provision for income taxes226 44 
Total provision for income taxes$957 $929 
Schedule of Deferred Tax Assets and Liabilities
The income tax effects of significant temporary differences and carryforwards that give rise to deferred income tax assets and liabilities as of December 31, 2020 and 2019 are as follows (in thousands):
20202019
Deferred income tax assets:
Stock and other compensation expense$2,157 $2,252 
Net operating losses14,169 11,787 
Research and development credits1,676 1,676 
Other federal, state and foreign carryforwards2,458 2,424 
Intangible assets2,221 1,765 
Other459 620 
Gross deferred tax assets23,140 20,524 
Valuation allowances(19,333)(14,025)
Net deferred tax assets3,807 6,499 
Deferred income tax liabilities:
Fixed assets(2,380)(5,139)
Intangible assets and other(1,300)(1,007)
Gross deferred tax liabilities(3,680)(6,146)
Subtotal127 353 
Less unrecognized tax benefit liability related to deferred items(628)(628)
Net deferred tax liabilities$(501)$(275)
Schedule of Income Tax Rate Reconciliation
Income tax expense for the years ended December 31, 2020 and 2019 differs from the expected income tax benefit calculated using the statutory U.S. Federal income tax rate as follows (dollars in thousands):
20202019
Federal income tax (benefit) expense at statutory rate$(2,227)21 %$(1,699)21 %
State and local taxes—net of federal benefit124 (1)76 (1)
Foreign taxes648 (6)569 (7)
Federal, state and foreign true-up(2,092)20 — — 
Valuation allowance4,458 (43)1,818 (21)
Permanent differences46 — 117 (2)
Other— — 48 (1)
Total$957 (9)%$929 (11)%