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$u.onClick(Unknown Source:143)
	at android.view.View.performClick(View.java:7570)
	at android.view.View.performClickInternal(View.java:7525)
	at android.view.View.access$3900(View.java:836)
	at android.view.View$PerformClick.run(View.java:28680)
	at android.os.Handler.handleCallback(Handler.java:938)
	at android.os.Handler.dispatchMessage(Handler.java:99)
	at android.os.Looper.loop(Looper.java:254)
	at android.app.ActivityThread.main(ActivityThread.java:8243)
	at java.lang.reflect.Method.invoke(Native Method)
	at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:612)
	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1006)