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Condensed Consolidated Statements of Cash Flows - USD ($)
$ in Thousands
3 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Statement Of Cash Flows [Abstract]    
Net Cash Provided by (Used in) Operating Activities $ 814 $ (95)
Cash Flows Provided by (Used in) Investing Activities:    
Expenditures for property, plant and equipment - continuing Operations (595) (251)
Proceeds from sale of other assets 8 355
Net Cash Provided by (Used in) Investing Activities (587) 104
Cash Flows Used in Financing Activities:    
Payments on long-term debt (8) (81)
Net Cash Used in Financing Activities (8) (81)
Net Increase (Decrease) in Cash and Cash Equivalents 219 (72)
Cash and Cash Equivalents Beginning of Period 11,184 7,742
Cash and Cash Equivalents End of Period 11,403 7,670
Cash Paid (Received) for:    
Interest (1) 52
Income taxes 308 (11)
Non-cash investing and financing activities:    
Right-of-use assets obtained in exchange for lease liabilities $ 9 $ 1,423