java.lang.NumberFormatException: For input string: "."
	at sun.misc.FloatingDecimal.readJavaFormatString(FloatingDecimal.java:2043)
	at sun.misc.FloatingDecimal.parseDouble(FloatingDecimal.java:110)
	at java.lang.Double.parseDouble(Double.java:538)
	at com.entitcs.office_attendance.activities.Enter_Expense_Of_This_Date$p.onClick(Unknown Source:129)
	at android.view.View.performClick(View.java:7252)
	at android.view.View.performClickInternal(View.java:7229)
	at android.view.View.access$3500(View.java:821)
	at android.view.View$PerformClick.run(View.java:27759)
	at android.os.Handler.handleCallback(Handler.java:914)
	at android.os.Handler.dispatchMessage(Handler.java:100)
	at android.os.Looper.loop(Looper.java:224)
	at android.app.ActivityThread.main(ActivityThread.java:7560)
	at java.lang.reflect.Method.invoke(Native Method)
	at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:539)
	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:950)