Condensed Consolidated Balance Sheets (USD $)	Mar. 31, 2015	Jun. 30, 2014
Current assets:
Cash and cash equivalents	$ 15,045,073	$ 10,360,721
Restricted cash on deposit	60,178	69,901
Accounts receivable, net	235,286	1,051,024
Inventories, net	1,189,228	1,352,970
Prepaid expenses and other current assets	420,253	295,814
Refundable income tax credit	74,525	91,191
Note receivable	156,115	0
Total current assets	17,180,658	13,221,621
Long-term assets:
Property, plant and equipment, net	4,315,799	4,382,203
Investment in investee company	2,385,945	1,646,240
Goodwill	803,079	803,079
Total assets	24,685,481	20,053,143
Current liabilities:
Current maturities of bank loans and notes payable	358,511	351,142
Accounts payable	556,055	589,642
Accrued expenses	1,827,891	2,621,479
Customer deposits	782,772	741,145
Accrued compensation and benefits	356,095	195,181
Total current liabilities	3,881,324	4,498,589
Long-term liabilities:
Bank loans and notes payable, net of current maturities	1,775,631	2,045,127
Total liabilities	5,656,955	6,543,716
Commitments and contingencies (Note 12)
Equity
Series B redeemable convertible preferred stock ($0.01 par value, $1,000 face value) 3,000 shares authorized and issued, 2,575 shares outstanding, preference in liquidation of $5,561,211 and $5,347,994 as of March 31, 2015 and June 30, 2014, respectively	26	26
Common stock ($0.01 par value); 150,000,000 authorized, 39,101,209 and 25,651,389 shares issued and outstanding as of March 31, 2015 and June 30, 2014, respectively	1,099,327	964,828
Additional paid-in capital	116,998,408	102,286,450
Accumulated deficit	(99,260,247)	(89,788,242)
Accumulated other comprehensive loss	(1,587,633)	(1,599,875)
Total ZBB Energy Corporation Equity	17,249,881	11,863,187
Noncontrolling interest	1,778,645	1,646,240
Total equity	19,028,526	13,509,427
Total liabilities and equity	$ 24,685,481	$ 20,053,143