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Note 5 - Contract Assets and Contract Liabilities
6 Months Ended
Jun. 30, 2019
Notes to Financial Statements  
Revenue from Contract with Customer [Text Block]
5.
Contract Assets and Contract Liabilities
 
Contract assets represent contract billings for sales per contracts with customers and are classified as current. Our contract assets include our accounts receivables. At
June 30, 2019,
the Company had contract assets balance of
$2,705,000.
At
June 30, 2018,
the Company had contract assets balance of
$1,068,000.
 
Contract liabilities consist of cash payments in advance of the Company satisfying performance obligations and recognizing revenue. The Company currently classifies deferred revenue as a contract liability. At
June 30, 2019,
the Company had contract liabilities balance of
$1,183,000.
At
June 30, 2018,
the Company had contract liabilities balance of
$947,000.