STOCK OPTIONS OUTSTANDING (Details) - $ / shares	Jun. 30, 2015	Dec. 31, 2014	Dec. 31, 2013
Stock options Outstanding	946,991	1,074,251	1,321,232
Weighted Average Exercise Price on Outstanding Options	$ 10.688	$ 9.800
Stock Options Exercisable		10.111	$ 10.386
Weighted Average Exercise Price on Exercisable Options	$ 10.826	$ 10.110
$ 4.40 - $ 6.90
Stock options Outstanding	226,753
Average Remaining Contractual Life in Years	$ 5.40
Weighted Average Exercise Price on Outstanding Options	5.597
Stock Options Exercisable	213,505
Weighted Average Exercise Price on Exercisable Options	$ 5.529
$ 6.91 - $ 8.34
Stock options Outstanding	209,299
Average Remaining Contractual Life in Years	$ 8.32
Weighted Average Exercise Price on Outstanding Options	7.476
Stock Options Exercisable	93,264
Weighted Average Exercise Price on Exercisable Options	$ 7.585
$ 8.35 - $ 12.40
Stock options Outstanding	176,019
Average Remaining Contractual Life in Years	$ 7.18
Weighted Average Exercise Price on Outstanding Options	9.445
Stock Options Exercisable	127,538
Weighted Average Exercise Price on Exercisable Options	$ 9.735
$ 12.41 - $ 17.17
Stock options Outstanding	147,561
Average Remaining Contractual Life in Years	$ 1.10
Weighted Average Exercise Price on Outstanding Options	13.752
Stock Options Exercisable	143,487
Weighted Average Exercise Price on Exercisable Options	$ 13.718
$ 17.18 - $ 28.55
Stock options Outstanding	187,359
Average Remaining Contractual Life in Years	$ 7.08
Weighted Average Exercise Price on Outstanding Options	19.890
Stock Options Exercisable	102,973
Weighted Average Exercise Price on Exercisable Options	$ 21.151
$ 4.40 - $28.55
Stock options Outstanding	946,991
Average Remaining Contractual Life in Years	$ 6.04
Weighted Average Exercise Price on Outstanding Options	10.826
Stock Options Exercisable	680,767
Weighted Average Exercise Price on Exercisable Options	$ 10.688