| | | 2017 | | 2016 | | ||
| Current tax expense | | $ | 78,000 | | $ | (158,000) | |
| Deferred tax (benefit) | | | (244,000) | | | 294,000 | |
| Total income tax expense (benefit) | | $ | (166,000) | | $ | 136,000 | |
| | | 2017 | | 2016 | | ||||||||
| | | Amount | | Percent | | Amount | | Percent | | ||||
| Expected federal tax | | $ | 141,800 | | | 34.0 | % | $ | 94,800 | | | 34.0 | % |
| Permanent differences | | | 14,500 | | | 3.5 | % | | 13,600 | | | 4.9 | % |
| State income tax, net of federal tax benefit | | | 11,300 | | | 2.7 | % | | 6,300 | | | 2.3 | % |
| Reduced DPAD due to amended federal net operating loss carryback refund | | | 0 | | | 0.0 | % | | 17,400 | | | 6.2 | % |
| Other | | | (12,600) | | | -3.0 | % | | 3,900 | | | 1.4 | % |
| Tax law rate change | | | (321,000) | | | -77.0 | % | | 0 | | | 0.0 | % |
| Total | | $ | (166,000) | | | -39.8 | % | $ | 136,000 | | | 48.8 | % |
| | | 2017 | | 2016 | | ||
| Current deferred tax asset (liabilities): | | | | | | | |
| Accounts payable and accrued expenses | | $ | 54,000 | | $ | 140,000 | |
| Accounts receivable | | | (1,127,000) | | | (1,629,000) | |
| Allowance for doubtful accounts | | | 44,000 | | | 68,000 | |
| Prepaid expenses | | | (110,000) | | | (55,000) | |
| Deferred revenue | | | 554,000 | | | 562,000 | |
| Net current deferred tax liability | | | (585,000) | | | (914,000) | |
| Long-term deferred tax asset: | | | | | | | |
| NOL - federal | | | - | | | 80,000 | |
| NOL - state | | | 24,000 | | | 28,000 | |
| Foreign tax credit | | | 52,000 | | | 47,000 | |
| Depreciation | | | (7,000) | | | (1,000) | |
| Net long-term deferred tax asset | | | 69,000 | | | 154,000 | |
| Net deferred tax liability | | $ | (516,000) | | $ | (760,000) | |