Per diem paid to employees on construction projects and entertainment expenses are only partially deductible from taxable income and can have a significant impact on the effective tax rate. For the nine months ended June 30, 2021, the non-deductible portion of per diem and entertainment expenses resulted in an approximate $402,000 increase in taxable income as compared to $312,000 for the same period in 2020.
Dividends on preferred stock for the three and nine months ended June 30, 2021, and 2020 were $77,250 and $231,750, respectively.
Net income available to common shareholders for the three months ended June 30, 2021, was $9.2 million compared to net loss available to common shareholders of ($95,000) for the same period in 2020. Net income available to common shareholders for the nine months ended June 30, 2021, was $7.1 million compared to net loss available to common shareholders of ($2.0 million) for the same period in 2020.The main reason for the increase in net income available to common shareholders was PPP loan forgiveness. Without forgiveness the Company would have had an operational loss.
Comparison of Financial Condition at June 30, 2021, and September 30, 2020
The Company had total assets of $57.1 million at June 30, 2021, a decrease of $1.1 million from the prior fiscal year end balance of $58.2 million.
Cash and cash equivalents totaled $2.3 million at June 30, 2021, a decrease of $8.9 million from the prior fiscal year end balance of $11.2 million. The decrease was primarily due to a $7.4 million cash investment in property and equipment in addition to a net $1.8 million negative cash flow from operating activities.
Accounts receivable, which totaled $14.3 million at June 30, 2021, decreased by $3.9 million from the prior fiscal year end balance of $18.2 million. The decrease was primarily due to the collection of receivables from September 30, 2020, partially offset by the timing of current year billings.
Retainages receivable totaled $1.0 million at June 30, 2021, a $1.5 million decrease from the prior fiscal year end balance of $2.5 million. The decrease was primarily due to the collection of retainages receivable from September 30, 2020, and fewer current year projects that require retainages to be withheld.
The Company had property, plant and equipment of $22.5 million at June 30, 2021, an increase of $6.1 million from the prior fiscal year end balance of $16.4 million. The increase was due to $9.6 million in property, plant and equipment acquisitions, of which $1.9 million related to the acquisition of West Virginia Pipeline, partially offset by depreciation of $3.4 million.
Goodwill and acquired intangible assets resulting from the West Virginia Pipeline and Revolt Energy acquisitions totaled $4.6 million at June 30, 2021, as compared to no goodwill and acquired intangible assets at the prior fiscal year end.
Other receivables totaled $1.1 million at June 30, 2021, a $1.1 million increase from the prior fiscal year end balance of $9,000. The increase was primarily due to $671,000 in captive insurance refunds receivable and $348,000 in insurance premium refunds receivable.
Prepaid expenses and other totaled $4.1 million at June 30, 2021, an increase of $776,000 from the prior fiscal year end balance of $3.3 million. The increase was primarily due to prepaid insurance premiums, net of accruals, that were financed during the nine months ended June 30, 2021.
Contract assets totaled $7.2 million at June 30, 2021, an increase of $674,000 from the prior fiscal year end balance of $6.5 million. The increase was due to a difference in the timing of project billings at June 30, 2021, compared to September 30, 2020.
The Company had total liabilities of $24.1 million at June 30, 2021, a decrease of $8.2 million from the prior fiscal year end balance of $32.3 million.
Long-term debt totaled $10.4 million at June 30, 2021, a decrease of $4.9 million from the prior fiscal year end balance of $15.3 million. The decrease in long-term debt was primarily due to the $9.8 million forgiveness of PPP loans and $2.0 million in debt repayments, partially offset by $6.5 million in notes payable related to the West Virginia Pipeline acquisition and $349,000 in new equipment debt.