INCOME TAXES - Deferred Tax (Details) - USD ($)
Dec. 30, 2016
Jan. 01, 2016
Deferred tax assets:    
Accounts receivable allowance $ 316,000 $ 303,000
Other accrued liabilities 2,450,000 1,618,000
Federal and state net operating losses 109,000 156,000
Intangible assets 3,268,000 3,891,000
Other 671,000 224,000
Total deferred tax assets 6,814,000 6,192,000
Valuation allowance (72,000) (73,000)
Net deferred tax assets 6,742,000 6,119,000
Deferred tax liabilities:    
Deferred revenue (7,637,000) (5,510,000)
Fixed assets (632,000) (696,000)
Other (315,000) (244,000)
Deferred tax liabilities (8,584,000) (6,450,000)
Net deferred tax (liability) $ (1,842,000) $ (331,000)