XML 96 R70.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Stock-Based Compensation (Details 4) - Restricted Stock Awards [Member] - $ / shares
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Restricted Stock    
Balance, beginning 30,000 99,000
Granted   5,000
Vested (25,000) (74,000)
Balance, ending 5,000 30,000
Weighted Average Exercise Price    
Balance, beginning $ 2.38 $ 2.56
Granted   2.55
Vested 2.35 2.63
Balance, ending $ 2.55 $ 2.38